Your expression is really priceless! Your nutty-playful-geeky personality is skillfully crafted in your expression [esp. your eye], style and accessories. And the nice orange x blue contrast really absorbs a good amount of attention [Though I think the blue shirt should be rendered with stronger tincture; refer to your "Balloon Boy"-ish colour process; the colours in that picture are well processed].
And the subtly laid signature on the darkest orange really impresses a professional work.