Head topology, help please.

I have tried to return to my friends head. I know the topology is off, but I cant seem to figure out how to fix it or exactly where the problem lies. I could watch the video time and time again, but its easier for me to understand when shown directly on. Heres the front and side view. And the blend file. I know the skull is completely off as well. ( too big and too blocky) If you need the reference pics, let me know.


I think the best way is to carefully read this excellent tutorial: