No one refers to being the third wheel as a good thing so why would you want one as a roommate? AJ tried it in college with his best friend and girlfriend and went terrible and thinks he really should tell his friend that's considering it. Though McCall and Dustin have considered having a roommate. More importantly, you better trust your roommates. AJ once had a TV 'stolen' and heard of quite the petty revenge from a friend for the Debate At 8.