A month to promote love and show appreciation to your mate. Establish a lifelong habit of sharing pleasure.
Wonderful Marriage: A Guide to Building a Great Relationship That Will Last a Lifetime by Lilo and Gerard Leeds
The 6 Secrets of a Lasting Relationship: How to Love Again -- and Stay There by Mark Goulston
For Better: The Science of a Good Marriage by Tara Parker-Pope
48 Hours to a Stronger Marriage: Reconnect with Your Spouse and Re-energize Your Marriage by Bob Bowersox
The Mr. and Mrs. Happy Handbook by Steve Doocy