I was 14 and at a party, this friend's older sister.
We were barely a group of five younglings amogst a sea of older people... Needless to say, we went to a corner and sulked the entire time... until, a bartender came by and offered us this beautiful shiny drinks that had a piece of apple in them.
Reluctantly, we agreed... We knew they had alcohol in them, yet we felt nothing as we took little zips... and some more... until the glasses were completely empty. We asked for another round, and marvelled at our strong resistance against the evils of alcohol.
I had about 3 more drinks when I suddenly realized not everything was okay. I tried to speak coherently, but the words babbled out. I then immediately realized that this was being drunk. By concentrating, my attempted speech was nothing but more idiotic every second.
Since we were all talking shit and laughing, it was okay. I got picked up, my parents told me I smelled like booze to which I replied that yes, I had one drink to taste it, seeing as I had no idea what it was. Of course, I staggered around till I reached my door, my parents realized I was drunk, but made no further comments. Suprisingly (today) I had no hangover, to which I can only conclude after years a few years of experience that the older you get, the worse the hangovers become.
And that's my story.