Most Koreans don't produce body odor due to large scale dominance of the gene ABCC11. As a consequence, deodorant is a rare commodity.
When the Spanish first arrived in the Americas, natives carrying incense followed them around, not to honor them (as they thought) but because they smelled bad.
Body odor is a meal in itself; we can taste acid armpits just as much in our nose as in our mouth. We can smell it on our palate as much as in our nose.
Steve Jobs thought, quite wrongly apparently, that his veganism made it so he didn't need to wear deodorant or shower daily.
If a person's body odor smells good to you it means that their immunity genes are opposite to yours, which will result in offspring with stronger immunity systems.

Mosquitos are attracted to smelly feet
Body odor is not caused by sweat, but by the fermentation of bacteria gathered there.
Body odor is sensual — we need underarm acidity to prepare our own lazy sense of smell for the heady pleasures of our lover’s body. It’s the sting of her breath that prepares us for the sweet smells of the rest of her, just as the tang of vinegar in a salad brings out all its secret aromas.
