'Big Brother 15' Gives Us 6 Ways to Spot a Terrible Houseguest

We can't really fault CBS. Though the network gave us one of the worst Big Brother casts of all time during Big Brother 15, a season full of racists and floaters, it might not have followed the signs to spotting a horrible Big Brother contestant. But that's why we're here! So listen up, Big Brother producers: Here are six traits that automatically lead to a terrible houseguest for TV and in life. Images: CBS