He went to her house to get advice about our relationship. Only reason I found out is because the girls friend told my mom who told me. I confronted him and said the girl messaged me and listened to what he had to say. He told me all they did was talk. He didn’t cheat. She said they didn’t cheat. But to me if he needed advice he could have asked anyone else. Also He and the girl had sexual relations “a long time ago”. I feel betrayed. What should I do?