Energy drinks are notorious for induced psychosis. Too much caffeine can do it too. People think oh it's just a health drink but it is not. Kids have died from drinking too many of them. He is legally an adult and you can't control what he smokes or drinks. The best thing you can do is what you are doing...keeping the lines of communication open and being supportive.
__________________
Nammu
…Beyond a wholesome discipline, be gentle with yourself. You are a child of the universe no less than the trees and the stars; you have a right to be here. …...
Desiderata Max Ehrmann
|