Answer:
Break it and it gets better, immediately set and harder to break again.
It is a common and favored clothing material among biker gangs and superheroes.
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
You walk into a room with a match, a kerosene lamp and a fireplace. Which do you light first?
What has a foot but no leg?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?