Answer:
What goes up but never goes down?
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
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?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I have one eye, See near and far, I hold the moments you treasure, And the things that make you weep.
It is something you will never see again.