I believe that sex is one of the ultimate ways of giving yourself to another. In marriage, you commit your love to your partner. In sex, you commit your body. So, a marriage is not complete if the couple is not having sex. You can't truly commit the entirety of you without committing your body, because until we die our body is a part of our sexuality; who we are. Also, you want to please your partner, and sex is often considered one of the primary examples of pleasure. …