Cuz Winterfell and it can't get up! :P
1/6 G My 8 year old son came up with this one.
A: Ho, ho, ho!
There was a face off in the corner.
To stop getting wet !
Winterfell and it can't get up.
Why, wouldn't the winter be over by the time they reach, if they walk all the way along? So they fly.