Answer:
The more you take, the more you leave behind. What are they?
What three letters change a boy into a man?
I am constantly overlooked by everyone but everyone has me. What am I?
What has words but never speaks?
I am of several different kinds, but the one you pick doesn't do its job. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?