Is it pathetic to obsess about him when i meant nothing to him?

Oh my gosh! it is unreal how much this is like my one friend! She is obsessed over this one guy, so much she stalked him for about a month or so (she doesn't anymore). Well, I have no idea what to tell you. The only thing I could say is, love is something that you shouldn't have to ask other people for. You should know right in your heart which is and isn't love. Don't take this the wrong way. Just because I'm saying this doesn't mean that it isn't love. You need to look in your heart. No one can answer this for you. But from what it sounds, yes, this was love. But you still need to tell yourself what to you it really was.