-_-;;
Turns out he hadn't really thought about the question yesterday, he was talking about something related.
So I asked him again today, not too long ago, whether he wanted the right to be the only one allowed to pleasure me.
His reply: "If you want to give me that right then I accept it."

Yay~
I now have a much stronger weapon to use against temptation...
and I feel like I belong to someone too *smiles happily*