My husband, Peter, and I are at my parents’ cabin in the woods. The weather was perfect for a bike ride, so we took a long one. We had not all been riding together in almost two years, and I am not an experienced rider. So, in order to prevent my butt from getting sore, I have a big, soft seat on my bicycle. My mother, an avid cyclist, does not approve. “You wouldn’t need that big tractor seat…