Answer:
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go, I must take my bow or else I have nothing to say.
I am always in front of you, but you will never see me. What am I?
I am a box that holds keys without locks, yet they can unlock your soul.
What is often returned but is never borrowed?
Break it and it is better, immediately set and harder to break again
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?