Answer:
Without this, H2O would just be 2O
I am the thing which everyone has, I consider myself Beautiful and Full of Joy, But the way I am treated Boy O Boy. I am mostly there but no one notices me, I try to prove my worth but nobody’s there to see. They say I Suck, that I resemble Hell, But when I am about to go then it rings their Bell. Some consider me terrible and Hard, But when I am lost they send their Regard. Many don’t realize I’ll not be there Forever, That I will return Never. But it’s already too late to say goodbyes When I flash before their eyes.
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
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What never gets any wetter no matter how hard it rains?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?