I had just turned twenty-one and was heading to a friend's party deep in the Valley. My buddies were already there and drunk, and I was determined to catch up. The night commenced with a bottle of Crown Royal Reserve and someone was rolling spliffs the entire time. Needless to say, we were all feeling loose and good.  My friend, whose party it was, let's call her Rachel, was my age and had a one-year-old, but you'd never...