I agree with Leed very often and this is no exception.

I hate to say it but it sounds like a typical 18 year old boy with sex on the brain. He's moving fast and you're not into him now. That's not messing up, that's smart!

Good for you I say! Liking a guy isn't an invitation to sex and that's not a good sign that he immediately went there. I think you made the right choice. Don't let some guy pressure you into anything you don't want to do, too fast or too soon. Whether you liked him or not, a guy should have more respect for you than that. The fact that he is asking to come over when your mom isn't home is creepy enough as it is.

On to better things, girl!