>>6004807Carefully identify main planes on a picture or on yourself on the mirror; learn to draw each facial feature from this angle (nose, mouth, eyes)
The reason it's hard is because the angle is because not only you're not used to look at people from there, but you're used to look at them from another angle.
Your picrel clearly shows how the influence of most common angle (front view), he is drawing what he knows, not what he sees.