Submitted by Pokemonobsessedlesbo t3_10pmxu8 in explainlikeimfive
C4-BlueCat t1_j6mlzzi wrote
Reply to comment by Pokemonobsessedlesbo in ELI5 - why are bonded pairs okay in animals but not humans? by Pokemonobsessedlesbo
It’s a common instinct since it catches nutrients that has passed through, and hides the tracks of an animal having been there.
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