a patient who didn’t fit the regular requirements, and Nathan knew how he could fix it. After much deliberation, he used his entire life savings and developed a heart for her. It saved her life, and it made him a medical rock star. He now has a factory in Germany that manufactures them and ships all over the world. I’m so proud of him. At the time, when he poured hundreds of thousands of dollars into making the prototype, everyone tried to talk him out of it. They thought he was insane to use his own money on developing a product that had no guarantees. But Nathan had a clear vision of what he
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