What am I?

I am lighter than air but a million men cannot lift me up, What am I?

I am everyone, yet no-one, I can be anywhere or nowhere, when the lights go out I disappear and when I face myself we multiply. What am I?

I’m really blue, but when you see me I’m red. You don’t see me too often. I’m there for you if you’re hurt, but I’m good for you. What am I?

Rich need me poor have me if you breath me you die

Riddles and Answers