Every couple fights from time to time, but I think it's safe to say we all wish we would fight less. "CafeMom" reports that sex may be the surprising answer. What's more, when you stop focusing on the little things that annoy you and ask yourself how you can put sex back in your marriage, you'll reap the other benefits of a healthy sex life, including reduced stress, improved immunity, better cardiovascular health and higher self-esteem. All that, plus you're burning calories!