theme for a dating website also pictures

I was wondering a good theme and picture of a good happy couple that I could use for the front end I was considering using set it up as a membership website pay monthly so I would use membership plugin and use chat for the ability to chat to members that join is there a way to add special touches when they sign up like more info about them like you would have name age sex where do they go to church location special ministry involved that kind of stuff so more then name and so forth.