The first night, Remus lies in bed, hearing the clicking sound of a dog pacing above him, and when he wakes in the morning Sirius is already in the kitchen, tea ready and breakfast on the stove. This continues for a week, each day Remus testing the waters by saying he needs to go home, or go to work, and each time Sirius asks him when he’ll be back, that desperate look in his eyes. So Remus comes back, day after day, pretending he isn't scared that one day he'll return and it will be Sirius gone, not him, and day after day Sirius is there, pretending that everything is okay now that Remus has come home