By MATT WIXON If you’ve never had a roommate, you probably feel lucky. But sharing a living space with someone teaches you a lot about life. The value of compromise, for one thing. And the importance of respecting how other people are different from you. Having a roommate even teaches you problem-solving skills, such as how to convince your roommate that a burglar broke in and stole nothing but his “Exotic Noises of Zatumba” CD. “Yep, and they also stole your beginner’s guide to playing the sitar. Those jerks!” Obviously, having a roommate is much easier if you are compatible. That’s why it was hard for me to get along with some of my college roommates. I, of course, was completely normal. But some of them were freaks -- the kind of people totally unimpressed by a person with an expansive knowledge of ’80s music and a habit of making a comment after every TV commercial. So if you and your roommate aren’t compatible, what can you do? As college students move into dorms and apartments, I