Answer:
What never asks questions but is often answered?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
You do this into someone's ear when you want to be discreet.
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
These are the bumpy parts of your digits
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?