Of Day and Night

Question: I give light by night, but not by day, Am wicked but not evil in any way, Wax for the most but always wane, Except when I'm out, I stay the same. What am I?

Question: What has a bed that you can't sleep in?

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: I have 6 faces and 21 eyes, but can't see a thing. What am I?