Most Helpful Guy
Learn for the future. Don't get physical so fast and you wont' be taken advantage of. When you give it away really fast you have no way to know if he really cares for you and thinks you're special or if he just wants to get some and your body is the outlet he uses.
Most Helpful Girl
At least you'll know not to allow that to happen ever again.
It's obvious what he wanted from you, so now you know what to avoid doing when in a new relationship or dating.
And don't feel guilty, everyone makes mistakes. It's important to learn from them.