Greyson, a brave toddler, has undergone 10 surgeries for a congenital heart defect and pain that’s more than some people will ever experience, all in his short course of life. His parents have been told that he might not live past 30; however, his family keeps on fighting, and the resilient baby has never lost the smile on his face. “It is my duty, as my son’s mom, to do everything in my power to change his future for the better,” Greyson’s mother, Sarah Ouellette, a clinical dietitian, told The Epoch Times via email. “Otherwise, I will live my life counting down his days.” Sarah and her husband of six years, Brian, a firefighter paramedic, struggled to get pregnant before welcoming twin boys, now aged 4. Then Greyson, said Sarah, was a “complete but welcome” surprise. “[He] completed our family as far as children go,” she explained. “I was thrilled at …