The Love Dare.
I first heard about this book from a friend who was using it to increase the relationship between herself and her husband. What she decribed seemed to encourage me even further to purchase the book for my children, who were also struggling with their own marriages. It might not seem like such a great idea for Christmas, but that's what they got - my grandkids are going to have blessed, happy parents, if I have anything to do with it. This book should help any couple having a struggle, as long as both partners are willing to use it and follow the suggestions. The best to all of you! :)