Answer:
When someone uses this acronym, you know you've got to pick up the pace
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
What is it that given one, you'll have either two or none?
Temporary evidence of where you've been strolling
What is often returned, but never borrowed?
How did the farmer find his wife?