Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
Of these everyone has ten, part of two wholes at the arms end. What are they?
What is something you will never see again?
You use it between your head and your toes, the more it works the thinner it grows. What is it?
Both a currency and an antlered male. What is it?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?