A little weight loss can go a long way...in the bedroom. Research shows that losing just 10 percent of those extra pounds can dramatically improve your sex life. Experts say that's because people tend to have a better self image when they lose weight, making them more comfortable when it comes to intimacy. Shedding just 10 pounds can improve your libido. Following a low-fat diet that helps improve cholesterol and blood sugar levels will also boost your sex drive.