He has no boundaries If someone doesn't respect your right to emotional, personal, physical, or mental space, you'll quickly become frustrated.
He spills your secrets Everyone makes mistakes, but when the person you swore to secrecy slips in front of the person you asked them not to, it's likely not an error. If it occurs again, you're enemies.
He freaks out In college, your roommate abandoning you at the bar was a drawn-out, drama-filled argument, but we're all adults now.
He stonewalls you Either they are upset with you or you have brought up a subject that they would rather not talk about.
He's a liar If your new friend or partner changes the truth when they don't like the way a talk is going, that's a huge warning sign.
He disrespects you Everyone gets upset, stressed, and irritated, but how we handle duress reveals our true character to others.
Your friends hate him Your true pals care about you and want the best for you, so if one of them says something, chalk it up to a personality clash.
He's manipulative It may sound crazy (and it is), but some people will inform you that you have said and done things you have not, and that you are overreacting when you are not.
You have an uneasy feeling Brenda Della Casa is the author of Cinderella Was a Liar, Preston Bailey's previous managing editor, a Huffington Post blogger, and Divalicious contributor.
He never accepts responsibility We all mess up, but unless it's a major betrayal, how we manage it often determines the fate of our relationships.