Answer:
Every night I'm told what to do and each morning I do what I'm told. But I still don't escape your scold
I am always hungry I must always be fed. The finger I lick will soon turn red.
I am three simple words everyone wants to hear. Three simple words such simple words and yet...life changing...
What can fill a room but takes up no space?
I am the place to turn to when nature calls. What am I?
Give it food and it will live, give it water and it will die.