Polyamory chic, gay jealousy and the evolution of a broken heart.
Любопытная статья в Scientific American.
Местами спорно, но красиво товарищ говорит. Ну вот хотя бы:
"Unless you have the unfortunate luck of being coupled with a psychopath, or have the good fortune of being one yourself, broken hearts are not easily experienced at either end".