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The two most important elements in a portrait are lighting pattern, to highlight and draw attention to the front of the face and reveal it's natural 3D shape in the 2D photo, and facial angle determined by camera position which controls how balanced and symmetrical the face looks in the photo.
Here she is broad lit and your camera position is so far to the right relative to the front of her face the far side has started to disappear. Lighting would would model the face better if you were shooting it from the left side 45° from where her nose is pointing.
Given the shape of faces that 45° oblique angle reveals a more balanced view of the face with both eyes seen and similar in size. When picking angle start by profiling the eye notch > then look at the chin by the mouth. See here how her's as completely disappeared? Move the camera left and right and find the best balance between the eyes and chin so in the short lighting most sides of the face wind up looking about the same.
Crop wider at capture so you don't loose track for hands and arms while fixated on getting the face in focus and wind up chopping them off here. Better too crop loose at capture to allow more options for cropping in PP after seeing the image more holistically. Here since you chopped off the arm on the right I'd suggest cropping tighter above the elbows as a tight H&S vs. the loose H&S crop out of camera.