>>56897910It's canon in the anime that Pokémon can marry other Pokémon. In the episode Snubbull Snobbery, but I don't know if the idea was ever brought up again in a future episode. But yes, I have no idea what a Pokémon would get out of it.
>>56897961Imagine a Pokémon wanting a divorce over the other Evolving, kind of horrifying.