Your 5-year relationship with him ended because his cold and heartless personality.

His first concert after breaking up with you. You went to watch his concert in silence. Until the concert ended, you thought he didn't know you were there until his staff came and asked you to come backstage to meet him.He sat on a chair with his body drenched in sweat and when he saw you, he still didn’t appear surprised or happy but spoke in a cold voice as usual. "Come see me perform? Why didn't you tell me?"