Because it is a liquid at room temperature. In fact, you have to get a lot colder than room temperature for it to freeze - and a LOT hotter for it to boil. (I guess that's why we like room temperature - we are mostly water.)
Because it has a low viscosity (compare to treacle)
Did you know that you can make liquids "wetter" by adding a surfactant? That's what some pesticides / herbicides need to make them sprayable ...
Also, did you know that glass is a very viscous liquid? If you don't believe me, look it up.
W.
P.S. Alcohol is "dry" because it has a significantly lower boiling point than water and hence evaporates quickly. It's not as stable as water at room temperature. That explains that Saturday morning feeling too!