Technically speaking, according to the now infamous 'power/Control' wheel...

Punching inanimate objects, is classified as 'intimidating behavior.'
I agree with whomever mentioned a written letter of apology. That will sit in your files. Acceptance of personal responsibility as opposed to mentioning your medicine reason, could be advantageous, as far as future T's are concerned.

Hope you are able to find healthier outlets, even if not feeling quite yourself.

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