Why does the guy I’m dating want me to take my shirt off during sex if my boobs are small?

I have b cup breasts so I always try to keep my shirt on but the guy I’m dating always wants me to take it off. Why does he do that?
Updates
+1 y
I finally did it last night. Thanks everyone for your help.
Why does the guy I’m dating want me to take my shirt off during sex if my boobs are small?
Post Opinion