Answer:
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 is it that no man ever yet did see, which never was, but always is to be?
Jack and Jill when up the hill jack fell down
What has a big mouth, yet never speaks?
They made me a mouth, but didn't give me breath. Water gives me life, but the sun brings me death.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.