it wasn't until much later in our relationship that the wife and I both were comfortable enough to discuss our desires/fetishes/what have you.
with this out in the open we could talk about this and what each other felt comfortable with and things that creeped us out. the bottom line is that once we both discussed it, we found that we both had similar wants/desires/etc. and our sex lives have been MUCH better.
like I've said before, 22 years in marriage, 25 years with her, and the sex is BETTER than ever....we do what some might think kinky or bizarre, but it
's things we both like....the items that made us feel uncomfortable we have tested the waters on and both of us grew closer.
don't hold off, talk to your partner now and get to understand each other. you'll be better off if you do.