Hey, that's not too bad, Ornlu! It's funny you did a head today, because I just started one myself only a few minutes ago! It's not my first, but I'm not very fast at making them. This will be probably my 3rd or 4th attempt at a realistic human head. Here's the WIP screenshots so far (not much to show yet)of the box taking the shape of the head. I just started adding my edgeloops. (sorry for the large screencap sizes)

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.