Here is the link for The Five Love Languages.
http://www.fivelovelanguages.com/
There is a quiz there that helps you determine for sure what your love language is and from there it is easier to meet each others' needs. Brendon and I both have a copy of this book, so if anyone would like me to send you a copy, just PM me and I'd be happy to.
Like Diana, I highly recommend reading this book with your spouse. It's an amazing and enlightening experience. I feel that my marriage has been much better than it would have if we hadn't learned those concepts.