You’ve had sexcapades that last until the sun comes up–one jizz, two jizz, three times, or even more–but have you ever thought about fucking until you literally die? Yeah, you’ve got nothing on this bad boy. Scientists have found that males and females of the Black-Tailed Antechinus, a marsupial living in New South Wales, will literally have sex for up to fourteen hours until stress hormones kill off the males. Females are able to block the hormone, so apparently they just get fucked relentlessly, hoping to get pregnant, all the while knowing their partners are about to keel over. How’s that for romantic? Know more.