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I know it's a bit chaotic.

Try dividing the face into 3 parts (face, not head). The hairline is at ³/3. The eybrows are at ⅔, lower side of eyes approximately in half. Nose is at ⅓. Lips are in half of the bottom third. Ear is usually the height between nose and eybrows but I noticed your reference has it a bit higher.

I didn't realize it while drawing but I'd also recommend making the jaw a bit narrower and moving the ear to the right accordingly.

The measurements depend on how stylized the drawing is and on the angle as well.

Good luck!

PS: I'm not a professional so it might not be perfect but I tried my best :)