With a broken coffee mug and a little persistence, Dave discovered that that annoying headache went clear away.
EDIT: Didn't care for the eye so I fixed it, added more overall detail to the surfaces, improved the lighting quite a bit and as an afterthought... eyebrows! (and a bit of stubble).
EDIT: Oh go on... some more gore...
EDIT: Not a major change but I think, effective. Stippled a detailed texture on the tongue and lips and added a few tweaks here n there where needed.