After discovering that my CEO wife couldn't let go of her divorced male best friend with a child, I started teaching our son to call her "Auntie." When our son came down with a fever, her male best friend called her away in the middle of the night. I felt our son's burning forehead and told him to say, "Goodbye, Auntie." She'd promised to attend our son's parent-teacher meeting, but when her male best friend called in tears, saying his son had no mother to go with him, my wife left without a second thought. Without looking up, I handed my phone to our son so he could ask "Auntie" to take leave in the parents' group chat. Every time, our son hesitated for a long while. It wasn't until later that my wife finally realized how much she'd let us down. She took the initiative and suggested that the whole family go take...