Well it is a rather drastic change. I mean, it's not like cutting your hair where it can just grow back over time. So I can understand why you feel that way. I can't say if you'll ever be 100% sure that you won't regret it. But if it's something that you really want to do, and something that you feel is right, then I don't see any reason why you shouldn't. Talk it over with some close friends first. Try and make sure it's someone who would be there for you during recovery and whatnot after.
yeah. the biggest hurdle would be tellin my parents though.
cant exactly show up one day suddenly not having any chest and not expect them to notice
and id feel really shitty not telling them before hand anyway
plus idk its hard since im studyin to go into education and thats not exactly a trans welcoming field for the most part