Where the Sidewalk Ends

LISTEN TO THE MUSTN'TS
.
Listen to the MUSTN'TS, child,
.
Listen to the DON'TS
.
Listen to the SHOULDN'TS
.
The IMPOSSIBLES,
.
the WON'TS
'
Listen to the NEVER HAVES
.
Then listen close to me --
.
Anything can happen, child
.
ANYTHING can be.