Since we are learning how to draw the head right now in my figure drawing class, I have been drawing lots and lots of portraits.
Charcoal, 1 hour.
As with any other kind of drawing, the only thing that can make me better
is lots and lots of practice.
Charcoal, 1 hour
Some drawings are less successful. Pieces might not fit together,
or proportions may be out of whack.
Charcoal, 2.5 hours
But then sometimes you'll do an awesome portrait, and then it's a good day.