We've all been there. Whenever your boyfriend walks into a room, your hands start sweating and your heart won't stop racing. You're so comfortable around each other that it's hard to think of a time when you weren't together. Those are just a few obvious signs that you've fallen *hard*. But trying to figure out how he feels always sends you into Nancy Drew mood. If you're happy with how things are but can't help that little voice that wants to know if your man really feels the same, these surefire signs that he loves you will clear everything up.