Why did he come back to me?

I like this guy a lot and I even confessed about my feelings to him, he said that he doesn't wanna get into a relationship with anyone rn due to his personal problems.. Although I always felt he had some sort of feelings for me, he used to flirt with me sometimes.. Recently he was teasing me, I got offended and we had a huge fight.. We decided to never talk to each other, he being egoistic said he'll never talk to me again.. Few days later, I was about to go on a date with someone, and when he came to know, he came to me, apologized for teasing me and sorted out our fight.. He is someone who never apologizes to anyone.. Why did he come back to me?
Why did he come back to me?
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