Answer:
What can touch someone once and last them a lifetime?
What is something you will never see again?
In the middle of night, I surround the gong. In the middle of sight, I end the song
I'm a green veggie that looks like a tiny tree.
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?