Hey all this is my first head modelling... i think i need help, wait scratch that i do need help lol. So far ive made a 30 unit cube and subdivided it. made a nice little pliable sphere.

Then I started moving it, rotating it, and shaping it to my face shape that i want. like so

Now what do i do? lol any help is much appreciated. lol thanks in advance.
-Tha GuvNa