Mm-hmm, it happens to me most times I make a friend (online, that is... I don't get to make friends in the real world). I think I already told you about one female friend who I became infatuated with and it drove me crazy and I had to stay away from her.
It's scary, because it's so close to what a stalker would be like. I wouldn't ever go as far as a stalker. But I bet it's the same beginnings of thoughts.
These poor girls who befriend me... then I get way too attached to them, just because they befriended me. I start to obsess over everything they say and do, reading deep things into their casual conversation. Of course when I do that, nearly everything they say has the potential to upset me, even if it's nothing to do with me (especially when it's nothing to do with me... it means she's not thinking of me!). I get so jealous of her other male friends, and how they make her laugh and make her happy, when I can't because I'm a humourless depressive.
It's not even a sexual or romantic thing... there's no way a relationship could happen. Deep down I probably wouldn't be compatible with them anyway. It's purely because she gave me the time of day. One little taste of her attention, and she's my new obsession.
I start to track when she's online in various places, staying hidden myself. I track her public comments, and make note of who she's befriending (often disliking who she befriends... "They'll be a bad influence on her, they'll corrupt her, they'll make her happy and take her away from me..."). Stuff like that. Like I said... it's the beginnings of stalking.
It's pathetic because I have no idea what grown adult relationships are like. Perhaps I'm like this because I haven't had real fulfilling friendships. I attach myself way to seriously to people who give me a slight chance.