There could be several reasons why your ex is not leaving you alone, even though he's already seeing someone else. It's important to note that without specific details about the situation, I can only provide general possibilities. Here are some potential reasons:
Unresolved feelings: Your ex may still have unresolved feelings for you, and being in a new relationship has not completely diminished those emotions. He might be struggling to let go of the past and move on.
Insecurity: Starting a new relationship can sometimes trigger feelings of insecurity. Your ex may seek validation or reassurance from you, even though he's with someone else, to feel better about himself.
Guilt: Your ex may feel guilty about how the relationship ended or about moving on quickly, leading him to reach out to you as a way of seeking forgiveness or closure.
Habit: Sometimes, staying in touch with an ex becomes a habit. The familiarity and comfort of talking to someone who was once close can be hard to break, even after a breakup.
Manipulation: In some cases, an ex may use contact as a way to manipulate or control you. He might want to keep you emotionally invested or create tension in your new relationship.
Fear of being alone: Some individuals fear being single or experience discomfort with the idea of not having someone they can rely on emotionally. They may reach out to their ex for emotional support.
Misunderstanding boundaries: Your ex might not fully understand or respect the need for clear boundaries after a breakup. He may not realize the impact his actions have on you and your ability to move on.
If your ex's behavior is causing you distress, it's essential to establish clear boundaries and communicate your feelings honestly. Let him know that you need space and time to heal, and that ongoing contact is not helpful to you. If he continues to persist and it becomes concerning or harassing, consider seeking support from friends, family, or even professional advice to handle the situation effectively. Remember that taking care of your emotional well-being is crucial during this time of transition.