my 4th smile?

It's the first time that I felt this way. Yearning for the presence of a person. I miss him so much and I really don't understand it. Is this finally what they call love? If so then it is too weird. I can't really explain it very well. I'd stare up at the ceiling thinking of him. I'd wake up with thoughts of him and I think of him before I sleep. Isn't it annoying? But I don't really know if I like this feeling. I'm scared of it, that's for sure. Because if this is love, then I'm sure to feel hurt somewhere along the way. I am not yet willing to be hurt. If I am in love, I should be willing to take the risk, to sacrifice for a person who may be worth it, to put another above myself... I wonder what it would be like-to be hurt because of this person.