Percy follows the children around all day, sits in the front porch when it's raining, hangs around the dinner ladies looking for snacks, and peers through the assembly windows to listen to the songs.
It's when it's dark, it's raining, you think oh I've got to go and walk outside with one baked bean can and that's... and then I'll maybe.. if I do it, then I'll sometimes think oh I won't wash it out.