Have you ever read any Dave Ramsey books? They have some Christian things in them. There is one that talks about finances and romance to help marriage partners be on the same page. http://www.amazon.com/More-than-Enough-Changing-Financial/dp/0142000477/ref=sr_1_8?ie=UTF8&qid=1322713322&sr=8-8
Hopefully that helps! I'm the saver, and my husband is a spender. But we both value being debt free and make financial goals together.