Answer:
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?
Many people own a copy of me. Without me the world would fall.
I make a loud noise when changing jacket. I become bigger and delicious.
What do you get when you cross a pig with a karate expert?
I have a neck and no head, two arms but no hands. I'm with you to school, I'm with you to work. What am I?
It weighs next to nothing but no one can hold it for long. What is it?