Because they have a claus in their contract.
Santa stops after the third Ho
Ok but let's add something fierce so they are afraid to defy him
He pulled his hamstring!
Because they all pull out.
Reindeer are the ones that fly.
Rudolph's red hose rain gear...
Some adults like lawyers.
Depends on how thick you slice 'em.
Ebowla
On the dotted line.
Intermittenly.
Because it has long-distance runners on each side.