Because Day tripped him.
What's the difference between getting your girlfriend pregnant and asking how her day went There is no difference, you always regret both!
Rough...
A: Because someone threw a fridge at him.
He fell out of the tree.
Someone who stays up all night wondering if there is a dog.
A: Because you can't see through walls, and you can't see anything at night anyway.
More kids tripping in lab coats