There are three centers in the body that relate to sexuality and relationships. Those are the mind, the heart, and the genitals. And one or more of these become activated in a romantic relationship/situation.
Generally speaking, men and women tend to have opposite currents relative to these three centers.
For women, attraction tends to begin in the mind, travel to the heart, and eventually end up in the genitals. 
For men, attraction tends to begin in the genitals, travel to his heart, and then to his mind.
And in there is a cycle that's created between the two in a sexual relationship, where the man penetrates the woman's genitals and the woman penetrates his mind. This is why it's very common for women to want to know what's going on in a man's mind, and for a man to be really focused toward the visceral aspects of sex.
One particular challenge of male sexuality is that the sexual instinct in the genitals is so strong (for both man and woman) that it has a gravity to it that the other centers don't have.
So, for men this genital-heavy orientation creates a holding point where it keeps that energy from rising up into the heart and mind. So, men who are a bit young or not yet fully developed as people get that energy stuck in the genitals. And it keeps them from being able to keep (or even see the value in) a relationship with women beyond sex. They are not able to see women through the heart lens.
But once a man works on himself and integrates his feminine side, that energy can rise up through the other two centers and he is capable of valuing a woman as a partner and has the capacity to fall in love. Some guys are just like this, and have a mature 3-tiered attraction dynamic, even as teenagers. Some guys never develop this capacity for a variety of reasons and remain stuck in the genital orientation of relationships. But most guys have a bit of an arc, where they eventually develop a more mature masculinity.
So, my thought is that you may be attracting and getting attracted to men who are still in that immature phase where the heart and mind hasn't been integrated into the sexual experience. And it's rather unnerving to be with a guy like that.
Luckily, it has a vibe to it. You can pick up on it, as long as you yourself are mature in that way. And once you mature, you will discover a natural aversion to that energy that under-developed guys tend to give off. And you will start to get naturally more attracted to men with a more integrated heart. 
So, I recommend focusing toward growing yourself and maturing in the same way. 
For women, the problem they have is integrating the heart as well, especially if there are trust issues. So, the mind becomes really strong and resistant to being vulnerable. 
In a nutshell, the way to find someone who is mature, is to mature yourself. And after that you will naturally attract partners that will value you as a person and will make you a priority in their life. 
 

Some things are too nuanced be clearly explained by language.
Just to give you a clue: what if it wasn't really "Leo" alterating the consciousness of fetuses (which, btw, it wasn't "Leo") but he became aware of Reality doing it? It's totally possible, since Reality is our own very mature.
I have watched the birth of galaxies and the death of stars. I have seen atoms pop up out of nothing.
"I feel every mountain. I hear every tree. I know every ocean. I taste every sea. I've seen every spring arrive. I've seen every summer thrive. I've seen every autumn keep. I've seen every winter sleep."
If you've had at least one experience beyond the feeling of being human, wiring the brain of fetuses is not that strange. Existence is creepingly absurd and radically mystical. There is still a long way to go.
And no need to worry. You're not the guardian of the Universe . Existence is prior to the avatar you're experiencing. We've been here for the eternal past and we'll be here for the eternal future to come. Have some fun. Let the trippers trip. Let the criticizers criticize. No harm is being done.

For a mind-body without direct experience of trans-human consciousness, it would appear as insane. 
The potential and power available is unfathomable to 99.99999% of humans. 
At the human level, the deeper fears are not of our limitations, but of our potential. The few humans that have tapped into these realms will resonate with some humans and will be ridiculed by others. 
Imagine being an ant and expanding to the conscious level of a human - and then trying to  explain what its like. Your fellow ants will think you cray cray when you try to explain solar systems, algebra, countries, oceans, expansiveness of earth etc. Kinda like that. 

This is a problem of different paradigms, and invalidating a relative paradigmatic happenings of mundane life by superimposing an absolute paradigmatic truth. So, it's saying that the absolute is superior to the relative... which not only causes us to create a rift in our conceptual understanding of things (the opposite of non-duality), but causes us to make a lot of foolish decisions that will keep us from growing. And ironically, the resistance against the relative will keep you from the absolute. It's a real trap.
I made a video about the topic. It's best not to set yourself in resistance to the workings within this human existence. And too often, when people are exposed to absolute 'truisms' before their really in touch with and ready for absolute Truth, they make the mistake of invalidating the happenings of life. And this causes of problems of repression and solipsism and nihilism and the like.
Leo who speaks a lot of absolute Truth, who is quite advanced in his seeking, and is on a part of the path where swimming is required. And you're on the part of the path where walking is required. So, when Leo is talking about how to swim, you're making the mistake of trying to swim in the middle of a dirt road and just flopping around and not moving forward because you're using the tools wrong.
When you're on the dirt road, just be on the dirt road. It's an important step, and it's wisest to honor your emotions ABOVE AND BEYOND any non-dual truism that you've heard.
I made a video on the topic since it's such a problem in the Non-Dual spiritual community. You cannot transcend until you are able to embody your humanity fully.
 

Personally i believe the information and method of delivery that Bashar provides one of the best in the world when it comes to consciousness work and embodying your true nature and living life to its fullest potential. I have been following his work for a decade or so and has helped me remember so much i had forgotten about myself. Simply applying the Formula he provides in most of his videos can change your life completely.
Watch/Download before they disappear!
 

A couple weeks ago i posted about struggling with self-actualization, i was in a moment of anger, frustration and fear, and felt hopeless. So i felt obliged to write about how that flipped on its head. A few days after that i went and took some shrooms, this was a tough trip and after i felt depressed and like nothing mattered (victim bullshit) so i had a major ego backlash, i watched SO much porn, drank every night, slept for 10-12 hours a day, stopped meditating and eating healthy, really just said "fuck it" and went all out. It was a good experience, i needed it. The past 2 years i have diligently been pushing myself to keep good habits, meditate , etc and this was my first real fuck it moment and i just let myself give in to all my old bad patterns i have been trying so hard to defeat. In this ego backlash, which lasted about 10 days i slowly starting waking up again, realized how miserable i was becoming, anxieties and shit were all coming back, and i felt this hopelessness. I never said to myself "i have to get back on track!" i did it because i genuinely wanted to, like Leos video "Awareness alone is curative". I came snapped out of it and hit it hard; fasting, semen retention/ no fap, 2 hours of meditation a day, pushing myself to actually just start conversations with random people bc it scared me (which went very well), no tv, no bullshit, no time wasting, working hard, visualizing, journaling, contemplation, gratitude, excersice, the whole fucking lot. 
I have been doing this about a week now and wow. Holy fucking shit. I can feel such a significant shift, it has brought me to tears multiple times. Finally after 2 years of busting my ass i am seeing the real fruits beginning to bud. I can say i feel so good, just in my body alone, i feel buzzing and warmth all throughout myself like vigorous, i feel calm, i realized today if my company fired me i would be totally fine as long as i have my back, i don't fear as much at all i realize all the fear comes from within and  will manifest only as thoughts and feelings which are things i can simply witness and allow and usually when i do that, they dissolve. My mind has no grip on me, and we are actually becoming friends, self-love is at a whole new level. I am beginning to really see life as an amazing gift to be enjoyed and how much of a shame and waste it is to live in fear or anxiety. your happiness and joy are all that matter, anything in the way of that can burn. I know these are only words and it is so hard to put what is happening into words, but if you are out there and struggling or need motivation, fucking keep at it, you got this, this is ALL that matters. Slowly, i am ripping apart my limitations i feel like nothing is out of reach, i am just so fucking happy! 
I want to give Leo my infinite gratitude, @Leo Gura if you are reading this I fucking love you man you are truly an amazing soul and what you are doing is changing the world. you have certainly changed my world, without your motivation and knowledge this would've been impossible, it is so not encouraged or even talked about in our society. Love you man , for real <3 Thanks for waking me the fuck up, i could've never woken up and died an old, unhappy man.
 

So, a few months ago I tried a 10-gram mushroom trip. And it was insane. 
I just want to talk about the peak of the trip. So, before it happened the world was warping, morphing, ever-changing, shapes everywhere, color, figures coming out of the wall, telepathic communication with Terrence McKenna and mother Earth. I saw thousands, even millions of butts come out of the wall, I drowned in sex and felt like the universe is constantly fucking me. 
Before everything, I changed a voice came to me and said: "Luke it is time to die". So, I layed down and let the complete ego death that I am used to happening. While this was happening the hallucinations become so intense I could see nothing but them. 
So, then all of a sudden the hallucination became stable and I was in a different dimension. I was in an apartment but it was not my apartment. It became like a fairy tale apartment. It was green-tinted, with vines growing everywhere. The structure of the apartment changed as well. It was the craziest thing. 
I think this is when I completely broke and saw the utter power of God and imagination. I didn't even think it was possible. 
Take from this what you will. I had a good time. 
May you be blessed!
-Luke
 

@Pouya Kundalini energy - which i call Being - is real.  It is a blissful, dissolving/tingling type sensation.  When this becomes Total the ego collapses leaving pure Being.
For some the flood gates may open all at once - for others - different areas, or chakras, can open one at a time.
So yes.

There is no formula for it. You push as hard as you can until you can't go further.
It's sort of like you're asking: How do I know how many miles I can run before I am too tired to run any more?
Go do it and see where your limit is. Then train some more and your limit will rise.
There are many aspects of your life you could work on developing if you don't feel ready for the Fully Monty yet. Go work on your career/life purpose or your relationships or your diet or your self-esteem. All of that is good stuff.

Here's a great video with Bruce Lipton and Tom Campbell:
 
 
Joe Dispenza:
 
 
Donald Hoffman:
 
And here's a cool video on digital physics and idealism:
 
Also you can check out stuff about the holographic universe, both the paranormal book and the hard physics (see Leonard Susskind videos), AND this sick video:
 
Peter Russell:
 
Fred Alan Wolf: