Because if you add even one more it gets "2 farty".
They only had 2 trucks.
Because in charge of directing, Yoda was
I can't even
Because if you added one more it'd be two farty.
The Leprenomichaun.
Tree fellas
Because one more bean would be too farty.
Because any more would be too farty.
Because one more, and it would be too-farty.
Because one more would be too farty
Because if there were one more, it'd be two forty. (Too farty) This works much better when spoken out loud. The joke how Irish people pronounce "forty."
Irish accent) Because one more and it would be too farty.