6 Signs He’s Cheating (Psychology Facts About Men) Have you ever wondered what psychology says about the signs he’s cheating? When trust feels fragile, it’s rarely the obvious lipstick-on-the-collar moments that reveal the truth. More often, subtle psychological cues — tiny changes in behavior, tone, or body language — carry the clues we can’t ignore. This video unpacks six science-backed behaviors men display when they’re being unfaithful, showing how guilt, micro-expressions, and subconscious