Answer:
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
What can go up a chimney down but canโt go down a chimney up?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
If you have it, you donโt share it. If you share it, you donโt have it. What is it?
I may be made of metal, bone, or wood and have many teeth. My bite hurts no one and the ladies love me. What am I?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?