Answer:
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
the only amusing part of the body
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?