On my 25th birthday I was out celebrating with two of my girlfriends, We were pretty well buzzed at closing time. They came to my place for another drink. We walked into the house that I shared with my younger brother. He was on the couch asleep in his boxers. He stirred and his blanket moved and the three of us just stopped in our tracks. My brothers cock was sticking out and it was huge and hard. I looked at my friends...