Some people are born to be good roommates; others are meant to stay away from all humans and live entirely alone. That may sound savage, but it's just the truth. When you start having to cohabitate with other humans outside of your immediate family, you should have to undergo some sort of personality test to see what the best kind of living situation might be for you. That way, you're saving yourself and any potential future roommates the trouble of having to passive-aggressively communicate to…