Answer:
What word becomes smaller when you add 2 letters to it?
It's in your hand though you cannot feel it. Only you and time can reveal it.
Proof you've done your time in school
What cannot talk but will always reply when spoken to?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
Cycle Cycle Cycle.