My wife said, “You’re home all day. Why can’t you fold the laundry?” I work from home four days a week. She commutes two hours a day. On paper, she had a point. So I didn’t argue. But “home all day” and “free all day” are not the same thing. I tried explaining once. She said, “Folding laundry takes ten minutes.” I said, “I couldn’t find ten minutes.” She said, “I spend two hours on a train. You don’t.” She was right. I stopped explaining.