And learning to spot them may help you. You begin to see why artists resort to cutting corners.
Drawing tutorials are admirable things, but it is well to remember from time to time that nothing that is worth knowing can be taught.
"Everybody has a theory of proportions of the human body but no artist ever see things as they really are."
First rule : The pubis is at mid-height of the average adult figure which is the meat of drawings.
Body proportion in art is just half of the problem.
Human body drawing as a method (Jean Cousin)
When you look at a portrait and the face is exactly the same to every detail is that art or is it just boring?
There are two cardinal rules to figure drawing : making life being art and making artworks being fun. Regarding models, regardless of their motivations, craziness creates a sense of order.
Art is good of it contains significant formalism.