And the proof to go along with it. I guess that means it's true that I don't always use it, eh? That would have to be one explanation anyway. My brain is completely healthy.
From the side
From the back. Note the definition of the four quadrants. Click on it for a larger image.
More detailed side shots, about the middle of my head. Note the outline of my nose.
These are views from the back of my head, but cover the part towards the front of my head. I say it's a klingon on the left and Darth Vader on the right.