Because it's dangerous to shoot for 3 or even 4.
You only get 4 fingers in a Kitkat.
The pizza can feed a family of 4.
An Irish car bomb followed by a shot of Fireball
People sometimes get upset if you shoot a duck. The duck is much less greasy. BUT MOST IMPORTANT Nobody ever complains about a duck's bill.
Because they have 3 ehs in the name. C-eh-N-eh-D-eh
June, July, and August.
Because then they'd have nothing to do in the afternoon.
A disobedient slave.
Because he was always coming in a little behind.
A heroine addict.