My skin turns blue....

Have you had the feelin'.. when your skin colour turns pink because u c the person u have a crush on?? it's called ' blush ' But now.. I feel blue. What does that mean?? sad, depressed and skin turns blue? ( like an alien I mean??) huph, U don't even know why I feel blue... Suckz doesn't it??? T.T
see, I don't even know what 2 blog about.
*sigh*