Blue is my type of color
Good choice, Blue is colours of pigments in painting and traditional colour theory
Is blue related to ones mood?
No, it is a color that can be found within  violet and green on the spectrum of visible light.
Have you not heard of the saying "You look sad and blue"?
I have but what we are speaking of is related to color and not mood :) blues contain a slight mixture of other colors 
Yeah ! But you know blue is also connotes a universal term
It would interest you to know that  an optical effect called Tyndall scattering explains blue eyes
What's it all about?
That's that by the way. Have you heard about atmospheric perspective? objects appear more blue because of another optical effect