It’s entirely possible to die of heartbreak. Just ask Grant House. “They stopped my heart,” House said, sitting on the deck by the pool at Arizona State University’s Mona Plummer Aquatic Center, reflecting on the moment his life ended. “... however briefly,” he said, taking a deep breath. House’s collapse came a couple of months after he missed out on a spot on the 2024 U.S. Olympic team by about half a second, about the time it takes you to blink your eyes.