Answer:
Forward I am heavy backward I am not. What am I?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
I am heavy forward, but backward I'm not. What am I?
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
I am the same written forward backward and upside down.
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?