How come you cant smell your own poop but when some one else poops it smells horrible?

You never smeller your own when you dump a big load off
Answer:
Oooooooooooh I can smell my own poop!!

I cant smell my boogers though.

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For the same reason that the water in the shower seems to get cooler as you stay in it. Your senses adapt to whats around you and the result is the illusion that the water in the shower is getting cooler or that your poop don't stink!

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