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You may have teenagers who have low self esteem because of how they look or you, yourself have weight issues that has changed the shape of your body and perhap you fear your spouse will love you less because of it.
I had a bad case of acne in my teens. Thoughts like, "No one will marry me", "No one will like me," plagued my sensitive 17 year old mind, were constantly circling in my head. At that point in my life, the confidence level was very low and fragile.