Disrespectful?

My boyfriend keeps playing games on my league of legends acount I told him one time to cover his eyes while I logged him in to play ONE game on my account and he looked and has been playing so much on my acount after I tell him to STOP AND GET OFF MY ACOUNT I never have told him he could play more then one game on my acount and hes been playing game after game idk what to do anymore I find it so disrespectful and if i did that to him hed leave me