What does it mean when a guy makes eye contact during sex?

I have been hanging out with this guy for 2 1/2 months. We are not in a relationship. It's just been a booty call or friends with benefits. It's always been just sex. The last few times we have been together it has gotten a little weird. One of the times we was together he was making a lot of eye... Show More

We went to high school together so I know him pretty good. He was the one that found me and contacted me first after all these years. He was an ass back then and still is just not as bad. He has a sweet side but don't show it. Guys help me out.