My previous reply was not very supportive, and I'm sorry. I wasn't thinking, I guess.

Seriously, head injuries are cumulative, and it's really not a good idea. I did decide to stop head banging because the walls in my new house are not sturdy and can't take it, but there are better reasons than that not to do it. You can get permanent brain damage.
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“We should always pray for help, but we should always listen for inspiration and impression to proceed in ways different from those we may have thought of.”
– John H. Groberg