Because they're always so *Sappy*!
Both can climb trees, except the piano
Because he was drunk Why did the second monkey fall out of the tree? He was tied to the first one Why did the third monkey fall out of the tree? Peer Pressure
No Bhikkhunis(https://en.wikipedia.org/wiki/Bhikkhuni) allowed.
Because the sign at the park said "Fine for Littering"
The stamps kept falling off the rocks!