TOP-NOTCH Filipino athletes Hidilyn Diaz and Ernest John “EJ” Obiena are competing in the 31st Southeast Asian Games in Hanoi next month promising a “larger than life performance” aimed at retaining their respective gold medals. “I really love my sport [weightlifting] despite my past failures,” said Diaz, whose gold medal in Tokyo last July was the country’s first Olympic gold medal in almost a century. “So I keep on trying to reach new heights even though I have already won that Olympic gold medal.” Diaz eats and breathes competition. “I still want to compete and perform big,” Diaz told a pre…