Who eats the carrots on Christmas Eve????

Tonight at the dinner table we we taking about Christmas Eve and what we get to do. Alex and Ted were saying that they will eat the last chocolate in their advent calendar, open the one Christmas Eve present (new matching Christmas jammies), and put out milk and cookies and carrots for Santa. So I asked Alex "Who eats the carrots?" First he said "Santa Clause" So I said "No, he eats the cookies and drinks the milk. Who else comes with Santa on Christmas Eve?" Alex says "Santa's girlfriend!" We all got a good laugh from that one!! I wonder what Mrs. Clause thinks about Santa's girlfriend?