Feeling Hopeless

After being married for nearly 20 years, I discovered my husband was having an affair again. I had caught him already in several but he swore they were never sexual. I was so ignorant. We got married young and started a family right away. We struggled but I never once thought of cheating. He confessed that he had multiple afairs about 4 years ago but will not share the details. It took my leaving and filing for a divorce for him to confess. Not only am I humiliated in our small town by his affairs with some women i know but he tried to hook up with my son's future mother in law AND sister in law. I cry almost daily as I struggle with the pain his infidelity and mistrust has caused. I feel hopeless, humiliated, embarrassed and worthless. I desperately need help!!!