What Am I Riddles

Question: You can only keep it once you give it to somebody.

What is it?

Question: I smash but I never hurt you. Give me your unwanted items and I will eat them and take them so you can get more. Some people might not like me while others may but I still come around on certain days. What am I?

Question: What Can Make Food But Not Eat?

Question: From "N" to "S" I travel I wish I had a paddle... The closer I get- there`s less of me Further away from "N" I flee In the surroundings I slowly fade One soul for another I trade What am I?

Question: You put me in hard.
But then I become soft.
Blow me hard and I will get bigger.

What am I?