Funny Riddles

Question: Weight in my stomach,trees on my back,nails in my ribs,it's feet I lack.What am I?

Question: What is it that no man wants, but no man wants to lose?

Question: The more places I be, the less you can see.

What am I?

Question: What's the difference between a well-dressed man on a bicycle and a poorly-dressed man on a tricycle?

Question: A thief enters a shop and threatens the clerk, forcing him to open the safe. The clerk says, "The code for the safe is different every day, and if you hurt me you'll never get the code". But the thief manages to guess the code on his own.

How did he do it?