At times, EJ Obiena would keep things simple when describing his stint in the coming Southeast Asian Games. He’s there to win the gold. Period. “It’s a shame if I’m raising the flag in the opening ceremony and I lose right?” he said in a virtual presser hosted by Summit Water on Tuesday. “There’s indeed pressure, but we live for that. That’s fuel. That’s a driving force in each day of hard training that’s happening. So I welcome it,” he added. At times, though, he would also wax philosophical. Asked about the hardships he went through, which in recent months centered on his rift with his mothe…