Answer:
I am a rock group with four members all of whom died in plane crashes. Who am I?
I have a strong affection for belly buttons.
Part carbon, part water, I am poison to the fishes. Many falsely claim my name, I am the pause that refreshes. What am I?
Glittering points that downward thrust. Sparkling spears that never rust.
When you take away the whole from me, there is always some left. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?