Back in 2004, Derek Janiak had a string of migraines. His energy was down and he noticed he was losing weight. Doctors thought it might be cancer. But further testing showed Janiak had a rare liver disease, something called P.S.C. The prognosis was 10-15 years of slowly worsening health, and then he’d require a transplant. Derek’s wife, Logan Shannon, works at New Hampshire Public Radio. And over the next three days, we’ll share their story.