In our culture males are the pursuers. I think that for women like us, codies that is, it's not a good idea to be the initiator. In my experience I am setting myself up when I do that. We push too hard and the guy is attracted to the idea of, frankly, easy sex, which is part of the lure here, is it not? But they know that we want them too much - in an unatural way, unhealthy.
When I was in your position I know what would be likely to happen next... an encounter totally engineered by me with a man who is reluctant, has given me nothing, has not pursued me really, and everything is strange.
That "he's just not that into you" stuff is perfect for women with our problem - to learn how to let these obsessions go, to learn how to indicate once that we are interested and let him come to us if he's interested, to truly understand that we are too valuable to give ourselves, heart and body, away any longer ...