Help can’t remember title

Looking for a book about 2 couples that are best friends. Husband 1 has affair with wife 2. Husband 1 had a vasectomy before marriage but didn’t tell wife who wanted children. He made her think it was her fault she couldn’t have kids. Wife 1 was rich but didn’t tell husband, he thought she was receiving money from her guardian. He doesn’t know the company he works for is owned by wife. He was stealing from wife and she found out when going through safe looking for her prenup. She also found the papers about his vasectomy in the safe. Wife 1 and husband 2 found out about affair when their spouse went on a getaway together. They used the same lawyer for divorce