Everyone knows that sisters argue about wearing each other's clothes, but I hadn't realized I would have similar arguments with my preteen son. We were trying to get out the door to go skiing today, but first we had to make sure we had ski gear that fit. Last year, I had cobbled together an assortment of boots, skis, and poles from DI for cheap, but this year, since he had supposedly outgrown them, I had shelled out the big bucks at the local ski swap to acquire used boots, skis, and poles of similar quality to the DI ones (the boots had duct tape on them). Since we didn't have any gear that fit me, I asked my sister if I could borrow hers for the day. She gladly obliged, and I drove the 5 minutes to her house to get them. Unfortunately, the boots seemed a little small for me. She reassured me that she could get them on, and as I warbled "Sing, Sweet Nightingale," she tried with all her might to squeeze my foot in. Unfortunately, I was the ugly stepsister who nee...