Not to downplay you’re feelings, but men aren’t confusing, our hormones just make it feel that way. Oxcytocin is a powerful hormone that gets released when we engage in sexual activity. So even when we haven’t built a genuine emotional and mental bond with someone we can definitely begin to feel an attachment which leads people to create all kinds of scenarios in their head.
There’s nothing confusing about his behavior. He is clearly indicating that he wants sex and fun and that’s it. You’re available and providing those things. You just have to decide if you want to give in to that chemical rollercoaster and exhaust yourself with “what if’s” or spend time building a real relationship with someone.