I also generally agree with you DQ but you would say yourself "no-ones perfect",hmmm, lol.
Take the effects of marijuana (recreational?), well one might be at peace with oneself using it but the aftermath (side-effects) of using it is not so palatable as even with the "good grass" it can render one into a 'depressed state'.
"Junk food"? Any food compared to it's "burn-off" can be classified as "Junk food".
I can remember a time when a McDonalds would have gone down well and sustained me for some time, but your too young to remember that aren't you,lol?