Unless you decide to live your entire life with your parents, there will come a time when you'll have to live with a complete stranger. Sometimes, it ends well and you become best friends. But if you are unlucky, a bad roommate enters your life and your peace of mind jumps right out of the window. And before you know it, your life becomes a living hell. If your roommate is showing these 11 signs, it's time you turn 180 degrees and run.

They drink up all the chilled water in the refrigerator and never re-fill the bottles. So, there's never any left for you.

They can't stop talking about either how great their life is or crying about how much it sucks. Either way, you stay up the whole night listening.