Answer:
I am heavy forward but backward I am not. What am I?
I am of several different kinds, but the one you pick doesn't do its job. What am I?
A young man wants to have me but when he has me, he no longer wants me. What am I?
There is one in a minute two in a moment and none in a thousand years. What is it?
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
A little house full of meat, no door to go in and eat.