Why does he say "we were in a relationship" and we never talk before? What does that mean?

I have a crush on him and I was chasing him then after a year he has a crush on me But we never talk, we were just making eye contact and sometimes he ingores me and give me many mixed signs and when I ingore him he noticed and become sad and say "we were in a relationship" and he really act he is sad and he was really in a relationship! and I see he get sad when I ingore him and he wants to make eye contact with me, BUT in the end no one ever talk to the other!

Why does he say "we were in a relationship" and we never talk before? What does that mean?
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