Answer:
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me. Lower light I never see.
What English word has three consecutive double letters?
Runs smoother than any rhyme, loves to fall but cannot climb!
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?