4. He doesn’t talk about how awful his ex was.
Venting about an ex or denying responsibility for a breakup can mean two things: 1) he’s not over her, and 2) he’s not mature enough to handle a relationship.
Judy Rosenberg, a clinical psychologist and dating coach, says that a guy who bad-mouths his ex might be very bad at communication, which is vital in any healthy relationship.
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