How to prevent rigged mesh from intersecting itself?

Support Animation and Rigging
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Model
(This model uses the Blender 3.0 beta)
Hello! I was wondering if there was a way to prevent a rigged mesh from intersecting itself when a bone is rotated. I have a character rig I’ve been working on for the past several months, and when I rotate the ear bone (The cone empty) far enough, It intersects with the head. How do I prevent this?

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Obligatory Post Bump

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and the Unintentional Body Movements. I LOVE that band!

Saw 'em in '96… somewhere along highway 41.

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Hi.
You search for “Corrective Shape Keys” tutorials on Youtube:
https://www.youtube.com/results?search_query=blender+rig+corrective

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Fixed, thank you.