When Dominic Thiem walked away from tennis at just 31, heartbreak rippled through the sport as his haunting words: “The way we play tennis is not healthy. Nobody stays injury-free” revealed the cruel cost of greatness. While legends like Gaël Monfils and Stan Wawrinka now approach retirement with time slowly catching their bodies, the pain feels even heavier for Gastao Elias. For him, tennis no longer feels like the dream that once fueled his so…