Answer:
You can't keep this until you have given it. What is it?
They are the group who manages the winged engines of war.
The distance from the top of your head to the floor standing up straight.
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
Rotten trees and Jack-O-Lanterns have this characteristic in common.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?