FWB relationship

So this guy and I used to have like a strong emotional feelings type thing but we never officially dated. Then after a few months he got over the feelings but we still hooked up and became FWB cuz we have LOTS of sexual chemistry together. We've been on and off FWB for the past 2 yrs but I know he still uses tinder cuz I saw noticed he updated his pic on it. I still have some feelings for him and have tried to find other guys to move on with but I only like hooking up with him. He still hits me up now and we hook up every few weeks but sometimes I feel used even tho i know we're just friends hooking up and we never committed to anything serious. But I still get jealous when he talks to other girls and all that. How do i maintain a FWB mindset and not let it hurt me.