He has never switched his personality. If anything, he got 10x sweeter and cuter with age (and he was already sweet and cute to begin with!) People making him seem like an arrogant fuckboy because of tattoos need to have their brains checked.
saw bts on customers phone and was like “omg are you army? :D” and she was like “😐 yes” and then she proceeded to give me a 10% tip after. bitch what? pre pandemic armys would never