Sara heard him come home—the door squeaked in its usual way and then, thump, it was shut—but then she heard voices, and giggles, a hoot of laughter, and then the tssst of a can of beer or soda and music exploding on the stereo.She lay in bed for another hour until all the noise died, until Bill entered the bedroom.“I guess you didn’t feel well,” he said. He didn’t wait for an answer, but left the room to brush his teeth.When he returned he said, “You know, it was a little embarrassing, not…See More