I asked him for a friendship. He disagreed with my friendship request by mentioning that if it's a relationship only I should be with him. Why?

He said me never to talk with him again since he doesn't want friendship with me. He told that he will only talk to me if it's a relationship with me. Why is he doing like that?
I asked him for a friendship. He disagreed with my friendship request by mentioning that if it's a relationship only I should be with him. Why?
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