Why do people like the smell of their own farts/poop/anus? Also, their own genitals?

Why do people like the smell of their own farts/poop/anus? Also, their own genitals?

Why do people dislike the smell of others?

Why do people sometimes like the smell of certain others?

This is seriously driving me nuts. I can't find any good science on this -- just a bunch of, HuffPo-level articles.

Other urls found in this thread:

gizmodo.com/your-hatred-of-body-odor-reveals-your-inner-dictator-s-1823373313
twitter.com/NSFWRedditGif

weird pheromone chemistry stuff.

I remember hearing that one's perception of bodily odors differs depending on whether two individuals have compatible immune systems for the creation of healthy offspring.

you also know that you if are in good health you are safe and are at no risk of disease

>why do people smell their own nuts
>Its driving me nuts

Having a hard time putting your finger down today?

It's weird because animals also do that. Dogs, for example, smell their poop after they're done, just like we smell our hands when we scratch our asses/crotches/etc.
Really makes you think...

>Why do people like the smell of their own anus?

i wish i could bend that far to enjoy it

why do you sit on the toilet, masturbating to the reflection of your own sphincter?

>balls itch really bad
>scratch when you think nobody is looking
>smell your hand to see if it stinks
>it smells like balls and people are probably going to notice

I've heard that too, but then why do people like their own smells? The whole point of liking others' smells is to diversify the immune system, apparently.