What is "if a guy gets jealous?

When a guy gets jealous, it usually indicates that he feels threatened or insecure about his relationship with his partner. He may feel that he is not getting enough attention from his partner, or he may be concerned that she is showing interest in someone else. Some common signs of jealousy in men include being overly possessive, demanding constant attention or reassurance, and acting suspicious or paranoid about their partner's actions or behavior. It is important for both partners to communicate openly and honestly with each other about their feelings and concerns, and to work together to build trust and strengthen their relationship.