Jump or die, you have to choose. After mating, the male spider Philoponella prominens moves away from the female as quickly as possible. The latter is cannibalistic and feeds on various prey, including its sexual partner. To escape death, the male has developed an unstoppable technique: after mating, it quickly contracts its muscles and propels itself away from the female. It catapults itself. This avoidance technique is extremely rare in the context of mating.