I'm an eater rather than a drinker. When I was 14 I was at a friends "sleepover" and everyone got drunk - everyone except me that is. Dealing with two guys trying (rather aggressively) to get into everyones pants, one girl having a severe asma (sp?) attack and two throwing up all over the place while fighting over the bathroom and one laying naked in the bath covered in sick has throughly put me off ever getting drunk. They were a little older than me but I had to be the adult and frankly it gave me a new view on alcohol. Pretty scary stuff when you're 14 and until that point rather sheltered!
These days I'll drink socially but only to the point of being tipsy, then I switch to lemonaide!