Thinking you love someone after....

Ok so me and this guy I am talking to, we have amazing sex.. Like mind blowing sex, he hits every single spot. But for some reason everytime we have sex, me loving him is always in the back of my mind and I'm always thinking in my head don't tell him you love him Jee because I feel like I'm gonna end up slipping up and saying it one day while we're having sex. He always tells me I'm gonna make him fall in love or I'm gonna make him say he loves me when we're having sex. What does this mean? I know we don't love each other..