I Skipped My Son’s Wedding—and Spent the Entire Day With His Ex-Wife.

My son cheated on his wife, Tina, several times before leaving her and their baby for another woman. When he invited us to his new wedding, I refused. Instead, my husband and I spent the day helping Tina and her child. When my son asked where we were, I told him I was ashamed of the way he had treated his family. He hasn’t spoken to us since, but I don’t regret standing by the woman he abandoned.