Answer:
When set loose I fly away. Never so cursed as when I go astray.
Take one out and scratch my head, I am now black but once was red.
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
What is eaten but not grown and was born in water but will disappear if soaked?
What asks but never answers?
Why is the letter B always cool?