A nice personality doesn’t guarantee that somebody will be easy to live with. Many people have incompatible hobbies and interests that ruin the lives of their roomies. Music polarizes housemates especially if one of the people is a musician.
MFWater told their story about one of their worst roommates. They wrote: “I lived with a guy who drank rum like water and played the trumpet. But that’s just the beginning. Although he couldn’t play the trumpet. He would play the theme to “The Flintstones” but always got stuck on one note.”