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. Conditions such as high cholesterol and diabetes - or even elevated insulin levels, a precursor to type 2 diabetes - have an impact on sexual performance. Blood flow to the sexual organs is affected in both men and women, resulting in a loss of sex drive and desire. Hormonal changes resulting from carrying extra fat also affect desire. Even if you don't lose a lot of weight, you can still increase sexual desire by thinking sexy.