I have a friend that's a guy... with benefits. We are very close and love to be around each other but we also like to have sex. Latley I've been having more feeling for him then I want, but I can't help it. I don't think he feels the same and now I feel as if he's using me for sex. What should I do?

Cut him off.

Friends with benefits shouldn't exist because one person becomes attached emotionally and winds up getting hurt. I highly suggest cutting off the sexually activity and just be pals, and see how he reacts to that, if he gets pissed/upset then he obviously was just using you and you don't want that in your life.

Also, you do NOT want to develop feelings for someone who is saying your just a friend he can mess around with when he pleases, that's not fair to you or someone you want to see, all he's doing is taking advantage of your emotions.