When it gets tired of one spot it just moves to another !
A: One. He puts the bulb in and lets the world revolve around him.
Four. One to change the bulb, three to stand around so he has someone to hi-five after.
Because he doesn't want to be spotted.
You don't, they're already spotted!
A fireside rug you can get a good hump on.
Because he was always spotted.