They've already left emotionally, and sinned by breaking the covenant of marriage.
Everyone in the family suffers when one member of the family chooses to break the familial covenant.
“Everyone in the family suffers when one member of the family chooses to break the familial covenant.”
That includes extended family, too. It took me years to forgive an uncle that committed adultery. It destroyed his family, relationship with extended family, and his wife died just a few years later. On the day of my uncle’s funeral, my husband confessed to adultery. It’s not only effected my daughter and me, but my sister’s families, my parents, friends and professional relationships. The fallout can be huge.