I need help

Has this happened to anyone? If so I'm in desperate need for advice. I just got married this month to the love of my life. We lived together before we got married and have a healthy sex life. The sex was incredible. I always wanted it. Now since we've been married I have had no desires to have sex and even if we do I don't enjoy myself. What is wrong with me? Has this happened to anyone?! Please help I'd really like to enjoy sex with my husband.