I normally don't mind the smell of my own farts. Sometimes I enjoy the smell, and at worst it smells "interesting".

But if I let one out while in the shower, it instantly makes the whole experience unpleasant until the smell is gone. Weird.

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[–] 13 points 10 months ago

https://www.youtube.com/watch?v=B3zqFJDJf2Q

TL;DW:

  • Farts can smell worse in the shower due to being in a closed space with nowhere for the gas to go.
  • The main reason for intensified fart smell in the shower is increased humidity.
  • Higher humidity enhances the sense of smell, allowing detection of lower concentrations of odors.
  • Water vapor may help smell molecules interact with nasal receptors.
  • Gas particles can bind to water vapor, allowing the air to hold more smell.
  • Hot showers create steamy water vapor, which amplifies fart odors.
  • source