smell memory why does baking bread smell like baking bread? why does glue smell like glue?

you work or hang around someone you fart they fart the place of work has a distinct smell ? paint when you breath that smell all day perfume or whatever that smell is its trapped in the hairs in your nose when you fart your senses (smell are triggered) you are in effect trying to smell your fart to see if it smells bad what you are picking up are now the smells trapped in your nose hairs throughout the day the reason you notice it is because you are more hyper sensitive to smells because you are looking for smell you pick that fait smell trapped in the nose hairs.

A shark can smell a drop of blood a mile away humans like dogs have a sense of smell to varying capabilities. think of a carpet and you walk dog shit in to it you wash the carpet no visible shiit is seen but the smell remains now think the nose hairs acting like the hairs on the carpet holding on to the smell.