I'm unsure if I have autism but I very much relate to being unable to process emotions, it took a while but for me I built up a record of how I was feeling/what I did, and when that was in relation to other things. That helped me attribute bad feelings to masculine stuff (body/facial hair, boy clothes, etc. etc.), and then good feelings to the opposite of that, that's a very surface level explanation but you should definitely keep trying new things!
Exploring helps a lot, and to focus on the good more than the bad, especially at this stage due to repression. Good luck with it all.
