Help with fwb xx

So I've been friends with benefits with this guy for 2 months now and it all started with him telling me he had a crush on me and nothing really ever came out of it but this we agreed to have no string attached sex and he tells me that I'm the only girls his slept with since the 2 month but his taken girls out on dates and boyyy this is where I regret telling him he can do that stuff because I now have feelings :((  What do I do xx