You know everything then why not work on it instead of pitying yourself? Start taking care of your body, not just to please your husband, but to be more confident and also keep health issues at bay.
Consult a dietitian and have a proper diet. Enroll in a gym or yoga class. You will feel emotionally much better too. You will feel confident about your body and will feel like dressing up again!
Also, marriage is more than a body or sex!
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