I think of it more as a process - of becoming steadily more myself. Gender transition is a part, but only a part, of that process. My Buddhist teacher once said: it's not so much a question of becoming more oneself as of stopping trying to be anyone else

. Most people spend at least part of their lives trying to be other people they admire or want approval from, while they're growing up enough to discover their own identity.
As far as gender goes, my unconscious made a very firm decision at an early age to protect me from dangerous truth until it was safe to come out and be known. I have only recently had the unnerving (but at the same time completely natural-feeling) experience of, well, as if I woke up in my male body, realised I'd in some way been asleep in it for decades, and am now the one living in it, and it's the wrong shape. I don't feel as though I'm a different person exactly, but neither do I feel like the same person. This definitely feels like a very significant stage in a journey into myself, which wants to manifest itself in outward changes to reflect that.
But I don't feel that I wasn't myself until now, just that there was a long period of stealth before it was safe to come out to myself about this particular aspect.