When Thomas Cockburn saw a neurologist in September he thought it was just another step in his recovery from lingering calf and back injuries. The 28-year-old had been kept out of the rugby season, where he played lock for Springston, and had seen physios and specialists before embarking on a European holiday with his partner Eilish Robinson-Kelly from June to August. Over two visits to the neurologist and tests on his muscles and nerves, the source of the problem was revealed. Cockburn had Motor Neurone Disease. “It was pretty devastating,” he said. “I didn’t really know what to think, it just kind  of changes everything.” MND is incurable. The neurologist told Cockburn people with the disease have an average life expectancy of two to five years after being diagnosed. But Cockburn believes his age and fitness will allow him to live longer. He received the diagnosis on his second visit to the neurologist.…