In my humble opinion, you should arrange the dating categories into tab form to allow more intuitive navigation. Plus pink colour scheme with create more romantic vibes as biosclan mention earlier.
I think getting the person to want to register before they access certain info is smart. I am writing my love site sgluv.com All the topics on love is great!
You seem to have a pretty nice concept but no matter how good the concept is, if the design isn't appealing then users are less likely to use it. I haven't tested the functionality but you definitely do a better job @ design. Good luck with your venture!