Snow - erotic short story

They have lived together for fifteen years, almost everything is routine, but when he sees the silhouette of her naked body behind the shower curtain, he feels a sudden urge to touch her. The world outside is quiet and cold after the snowfall, both of them have to stay at home but the girls can go to school. It's an ordinary day, but something feels different - they finally have a moment to themselves and make the most of the afternoon...