He would never takes you seriously, when you tell him that you dislikes him being flirty with other girls, he would just laugh you off. That's how you are in his eyes. A girl that he uses for his own purpose. Yet, he never want you to interact with any other guys, ever. You're nothing but a toy to him. A wallflower that belongs to him only, no one else can have you beside him. But, he can't be yours, and will never be yours.