Whats the reason for my unbalanced facial profile?

everything looks normal until i turn sideways.. my bottom portion of my face.. ( top jaw lower jaw) look too far back for my face, it seems they should be out foward more...





it should be like this:


forehead then nose more outer than the forehead.. then the mouth/chin more outer than the nose ... but my mouth/chin i way behind my nose it gives the look of a flat face when i look sideways?Whats the reason for my unbalanced facial profile?
well maybe genetics. hope it helps

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