Hands full of dishes, Kate made her way carefully to M.T.’s sink. It was almost nine o’clock at night—and, at long last, Girl’s Night Dinner had come to a close. Penny had cried off ten minutes ago, claiming she needed to be up early for client meeting in the morning. And, though Kate was tired too, she steadfastly refused to leave M.T. to deal with this mess all by herself. “You don’t have to do that,” M.T. said, coming up to quickly relieve Kate of the plates. “I can take care of it.” “I insist,” Kate told her, and without another word, turned to grab the wineglasses off the dining…