New Delhi, Oct 02 (ANI): Great sex is highly correlated with understanding your partner, which is integral to a happy married life. And in order to have a long-lasting and blissful married life, you have to take steps to ensure your sex life doesn't lose its charm. To begin with, you have to feel good about sex as the brain is the largest sex organ. Anger that is held in does not create good sex or help you to feel sexy.