Bad is a relative term, but they do have an odor.
urine smelling breath odor.
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Ammonia gas gives the characteristic odor to smelling salts and some household cleaners. It is a strong and pungent-smelling gas that is used for its cleaning and disinfecting properties.
Cats usually do not have an odor but they can sometimes
Soak your feet in tea tree oil, and also footwear, aswell.let both dry for at least 10 mins.once dry, wash feet and footwear in cold water.Nice smelling feet!
It depends on what they prefer, they could like the odd smell to feet, or the possible dusty sting of the odor, basically they like the smell or the act of smelling peoples feet.
The odor is a dead give-away. If it is smelling particularly fishy or of ammonia, it is going-going-gone.
reaction with moisture in the air
After making sure they are not dangerous, by smelling them.
Everyone likes their own brand
Smelling salts should do it.