What is it ?

Question: You wait for it. It appears, cracks, stays for a moment, then disappears before your eyes.

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: What asks but never answers?

Question: A vivid reality, a naked morality, a place where wishes come true.

Question: I'm written with two letters, said with one and seen with two.What am I?