Gregory had met Jack at the airport. Jack was distraught — his wife was in labor, but he’d mistakenly booked his flight for the next day. Seeing his panic, Gregory gave Jack his own ticket. “Your family needs you more than I need that flight,” Gregory had said. Before leaving, Jack promised with a smile, “One day, we’ll swap cars instead of tickets.” Gregory thought it was just a sweet gesture — but Jack meant every word. “I never forgot what you did,”

Jack told them now. “Because