That much weight in a short amout of tine is gonna be more fat that muscle and at our heights and weight...im currently 148 lbs, its not gonna be a good look aince you already dont have a...
Same here 5'6" 146lbs and they wonder the same. However i compete in the 145 bjj weight class and bantamweight for kickboxing so they usually keep their comments to themselves lol
I do muay thai, bjj and lift. You're gonna have to eventually prioritize one or the other. Going all out in your martial arts, lifting is gonna suffer. Its no fun doing 5rep close to max squats...