Answer:
The little pink nub that helps rectify mistakes.
What can touch someone once and last them a lifetime?
You can break it or drink water from it.
In the middle of night, I surround the gong. In the middle of sight, I end the song
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?