Because one more would be too farty
Rick O'Shay
Because any more would be too farty.
If there were one more it would be two-farty!
Because the extra bean 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."
He stopped at 239 because if he added another one it would be 'too farty'. It would've been funnier if I could do an Irish accent.
Because 1 more would have been 240...