If you are autistic the best thing you can do is ignore everyone and their feelings. You are too sensitive(meaning there is less a 'you'than average people) to distinguish  where these emotions are coming from. And if you try to hold them and intellectually decipher them, there is just madness. Its important for an autistic person to ground themselves in nothing, so they can smell the bullshit ( which is anything from base line emotion) before it comes at them. Because they are too intelligent for human conversations.
If an autistic person tries to engage with petty drama they will go insane because there's no intellectual honesty there to logically rationalize anything. Just laugh and move along. Stop talking to them if you can.
Autistic people do not judge other people so they always blame themselves. They have like baby brain self reflection. Like mommy and daddy are getting divorced because of me but in every scenario and conversation. You end up carrying a metric shit tonne of baggage.
Its good you discovered their antics before going insane. Now realize every single person is doing it to you too. Dont get angry about it just stop playing the games. They cant play games with you if you dont play.
If you are autistic you need to create an imaginative reality inside your head so you can play in it all day. Autist have very good imaginations but end up turning it against themselves when we are put into situations like this and stop using it. 
Keep the imaginative reality PG