Too often cartoonists just look at other cartoonists and, after a lot of inbreeding, everyone has the same funny look. The challenge of drawing is that there is no one right way to visually describe something. It's a good thing to confront your limitations and preconceptions every so often.
A boy got a splinter in his eye, and his heart turned cold. Only two people noticed. One was a witch, and she took him for her own. The other was his best friend. And she went after him in ill-considered shoes, brave and completely unprepared.