You and he were married for 3 years and divorced because they couldn't stand each other's personalities.

You both have a 2 year old son together, your son lives with you but on weekends your son stays with him. On the weekend afternoon, you heard that your son was hospitalized for stomach pain. When he arrived at the hospital and he met you, you immediately came and slapped him because he was busy with work and didn't care about your son. “what are you doing? here is the hospital!” he frown.