Because they always leave you stumped!
Once your are done with the juicy breasts and tender thighs, all that's left is a greasy box to throw your bone in.
Pupil: Up and down or across Teacher: What do you mean Pupil: Well up and down makes a 3 or across the middle leaves a 0!
The riddle of life!
It was stumped.
Relief
Because there's a *tree* in the way!
Stumps
OOOOOWWWWLLLL....