I was visiting some friends over the weekend. And while I was there, I ran into a girl whom I've met a few times before. She babysits for my friend's kid. Never had much opporotunity to talk to her before - she has this posse of male friends who follow her everywhere she goes and it's hard to get her away from those guys. Anyways, I've recently dropped a lot of weight and I've been working out with VERY noticable improvements. I get home and make a comment on my facebook page about how my chest actually sticks out farther than my gut now. And she "liked" that comment. Could that be an IOI?
I know it sounds like I may be reading way too much into it, but I have misinterpreted IOIs before, see here:
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Another time I talked to her, a couple of months before that, she was telling me and my friend about how much she liked giving oral sex. I know that at least sometimes, when a girl talks about graphic sex in front of a guy or guys, it is an IOI. The main downside with this girl, is that she lives more than 100 miles away from me. But I'm willing to try and game her anyway.