system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: If I don't shower for 3 days I smell so bad. Why can animals go for forever without washing and not smell when humans get nasty so quick and also require wiping?
gpt
1. Lots of animals do smell. 
2. Lots of animals have figured out their own way of bathing.
3. Society has decided that "normal human muskiness" is a bad smell and that lavendar and irish springs is what a human is supposed to smell like.