What do i do??(i need a hug)?

idk. just that everyone keeps telling me that ive changed and that i dont act like the same me any more, and constantly telling or trying to remind me of how i used to be. They never see that theres a reason why i changed im only 17 and iim not goin to be the same cl clown everyone expects me to be i have to grow up sometimes right??none of my friends no that im goin to the army after high school, i dont want to tell them, maybe i just dont no how because i no theyll try to convince me to not go, but idk what do you think i should??