I have never been to the barber's in my life and have no intention of ever doing so. My Mum was a hairdresser before she had me and my brother, and she's still the only person who has ever cut my hair (no more than once every few years these days.) I can just about cope with it when she does it, but the sensory experience of having someone touching my head is very intense, especially if I don't know the person, and I get very uncomfortable if the person is stood where I can't see them. I get paranoid that I'll get a shiver down my spine or flinch and end up getting jabbed with the scissors or lose a chunk out of an ear! I have found peace with my ever-expanding bald patch, and I really don't care what people think of my "ageing hippy" baldy/pony-tail combo.
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When you are fighting an invisible monster, first throw a bucket of paint over it.