Deviating from the photograph

You may decide to take some artistic liberties. Although true to the photograph, I am not fond of how the tuft of hair looks at the back of the neck. In this case, I make an aesthetic adjustment that deviates from the photograph. You may also opt to simplify some details, such as skipping erratic hairs, or fill in some details that are missing from the photograph:

The photograph is just a reference. You can skip or simplify details, or guess missing details.