How do i lock in as a 5'7 at 16

[Eternal101]

im 16 and i do bjj and workout almost every day, but im lowkey a fat gooner and idk what to do bro idk if its holding my ascension back how do i clear my brain and get jacked and handsome bro, i used to get this high endorphin feeling after training now i feel ass and exhausted and drained during and after training like hella fatigued