The news was grim. My father had been having chest pains, so his doctor ordered a test to peer into his heart. The result? Blockage found in three arteries. Triple-bypass surgery was scheduled for February 14. My dad, though anxious, saw that date as a hopeful sign: “I’m getting a new heart for Valentine’s Day!” And he did! The surgery went perfectly, restoring life-giving blood flow to his struggling heart—his “new” heart...