Answer:
I am heavy forward but backward I'm not.
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
I'm an animal. I love marching. I always wear a tuxedo. What am I?
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
A little house full of meat, no door to go in and eat.