Answer:
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
Break it and it is better, immediately set and harder to break again
What surrounds the world, yet dwells within a thimble?
I can ruin your day, or darken your life. And while I'm expected, I'm never alright. I'm bad for business, and worse for your hair. Wherever I am, there's something not there.
What do angels sing in the shower?