I don't really connect with this. My experience with that kind of situations would be me focusing on one specific aspect of the party and ignore everything else. Like I would spend all the time trying to fold the napkins into interesting shapes, or feeding grass to some slug I just caught and wonder why it doesn't seem to like it.
I wasn't diagnosed and yet when I look back at it I had the chance to be surrounded by decent adults who were happy about me being me. There have been bad situations of course (that I am still a bit traumatized by) but I can count them on my fingers. Most are related to my dad having his own issues (I hope he will find the help he needs but the more time passes the less hope I have).