the toilet flushed and a second girl staggered out , walked into the wardrobe door , and then fell to her knees , mumbling something . thats just a thank you for a wonderful afternoon . we spent half an hour swimming in the cold current , until we were frozen to our bones . this was just like every other time . `` just wait until after i drop them off at school , '' he told her , his thumb rubbing against the soft skin under her sweater . 