Spice up the Sex

So heres the sitch. Me and my SO have been together 2 years. We slept together 5 years ago and went seperate ways. Dock was good so I knew i could come back. Well fuck 2 years into and I am bored af anymore. He is the ohh lets make love type of guy and I want it a little rough. Pull my hair spank me choke me slightly. Ive mentioned it multiple times and nothing. Help.