There are two sides to this. You know a lot of guys get the same treatment you get when they show too much interest. It's happened to me recently, when I made the mistake of showing I liked a girl too early. I did this because she seemed like the type who prefered the honest approach, but I was wrong. Oh well.
Dating by itself is a game, and these are the parts where you win the points. Controlling your emotions is part of winning. Sounds really dumb and immature to play these games,but it looks like none of us have a choice but to play by these rules.
Personally, I'd love to meet a woman I can look in the eye and say "I really like you." and have her simply accept that fact without her thinking I'm desperate or getting a swelled ego. But that's life