IIN that i hate the sound and feeling of someone scratching fabric?

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See, it's questions like this that rarely get comments. I would, but I don't know what to say... :(

This is all I could find when I typed your question into Google's search bar.

"There are few natural sounds more irritating that fingernails on a chalkboard, with the possible exception of foam cups rubbing together, a squeaky door hinge, or a dentist's drill. What seems to set the sound of fingernails apart from other irritants is the apparent universality of it. Few people living on the planet can avoid cringing in agony as the high-pitched scraping noise begins, and everyone is relieved when the event is over. No one can say with any scientific certainty why the sound is so incredibly irritating, but there are a number of interesting theories.

Some believe the sound is similar to an animal's high-pitched screech indicating danger to the rest of its group. Macaque monkeys, for example, have been known to emit a warning noise of relatively the same pitch and duration of the dreaded fingernails on a chalkboard sound. It has been suggested that humans react to the sound instinctively, creating a "fight or flight" response.

Another theory holds that the sound of fingernails on a chalkboard is akin to the scraping sound of rocks against teeth. Scraping noises are especially irritating because they remind us of painful dental experiences or the unpleasant sensation of biting down on a piece of rock or metal. The scraping sound is created by the fingernails alternatively slipping against and gripping the rough surface of the chalkboard. Experiments conducted by scraping a garden tool against a chalkboard demonstrated that the lower frequencies of the noise were especially bothersome."

It's not the same sound, it's sort of the same feeling, though. In my opinion, it's not normal. Then again, I don't much about it.

My twin sister absolutely can't stand this.

So I do it even more.

Yes i hate it i feel like killing the person who is causing me this discomfort.

It is like my kryptonite and freeze me in the spot making a horrible faces.