Sensationalism is right, and you idiots fell for it. Ha, ha, ha!
It's kind of hot. She just couldn't wait; she wanted it so bad. So her roommate got to experience what thousands of college students have over the years with their roommates - get out of the room until after sex. Lol. Though, most roommates aren't "kicked out," but rather agree, probably expecting some reciprocation in the future.