Not really a friend, but one this happen to me, that's why I have trouble trusting girls when there drunk if there your girlfriend. I went to visit my friend in Guelph. Then she live in resident close to her college, and she had roomates. It was her birthday so went out to a bar, one of her roomates was getting pretty drunk, so we where just talking all of us and just drinking, and then we went to dance and I was just dancing she comes up to me and she kisses me on the lips, I am like whatever, then she wanted a drink and she needed like 50cents, so I give it to her, and I wanted another beer so I am like I'll o with her at the bar, when where waiting for our drinks she grabs my last like five times, she licks my ear, then she tells me oh don't tel this to my boyfriend he looks just like you and I never see him, I'm like this is not my business, you do what you wanna do. Also I didn't even know this chick. The next day my friend as a b-day party at her place and then the girl who kissed me her boyfriend shows up. So that's why I think it's real hard to trust girlfriends when they go to a party or club, and your not there and especially if they get pretty hammered.