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this post was submitted on 07 Oct 2026
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It senses spicy, because spicy isn't actually a form of taste, but rather just your pain sensors being triggered by a chemical, like for example capsaicin (chilis) or piperine (black pepper).
Wikipedia says for capsaicin:
So, I guess, the butthole would in a sense be good at feeling temperature, but only for excessive/painful heat.
But also, people generally report that this problem largely goes away when they start using a bidet.
So far, the explanation that makes the most sense to me, is that you get micro-scratches from the toilet paper, and then the capsaicin etc. will really be able to irritate the broken skin.