The train is puffing, puffing, puffing out of the station.
Children are running, shouting and chattering, the noise ringing in Remus' Lupin's head. His compartment door opens and he quickly feigns sleep, too tired to meet anyone. His eyes flutter allowing him a glimpse of his new companions… his heart stops.
Startling green eyes, messy black hair, it's Harry; James and Lily's son. The little baby he had loved so much.
Suddenly Remus knows he can't teach, it would be too painful to see Harry… but it is too late.
The train is puffing, puffing, puffing out of the station.
