It's different for different people. As a general practice, reparative therapy has historically been very harmful, and is usually what people are advocating fo

It's different for different people. As a general practice, reparative therapy has historically been very harmful, and is usually what people are advocating for when they say that being transgender is something you "can choose". There exist some people for whom transition is optimal for mental health and some people for which it is not. "Transition" can also be deconstructed into different things: - hormone therapy (which itself involves a lot of different possibilities) - changes in gendered behavior (voice, body language, etc.) - changes in gendered apparel - changes in gendered self-perception - asking to go by different pronouns - becoming a part of trans-aware/queer communities where gender is perceived as more fluid - various surgical options