I can't speak for any other girls, but this sounds a LOT like me pre-hormones. I can't say that it's something exclusive to trans women though; I think anyone who'se been pretending to be someone else, repressing that sort of pain is going to be a bit messed up, and all the things you describe are common ways of coping: Disassociation, depression, disconnection, cynicism...I'm well versed in them all hon. It sounds to me like you're just becoming aware of a lifetime of repression, and all of the consequences it has caused you :/ I really hope you can get back out of that pit; not to be a circa-2009 cliche, but it does get better!