Answer:
I make a loud noise when changing jacket. I become bigger and delicious.
I am milky white and scares people.
I plow and plow, but never sow. What am I?
If you have me you want to share me. If you share me you don't have me. What am I?
I am useless when together but useful when I am broken apart. What am I?
The answer I give is yes, but what I mean is no. What was the question?