Twentysomething Nora McInerny Purmort bounced from boyfriend to boyfriend and job to job. Then she met Aaron, a charismatic art director and her kindred spirit. They made mixtapes (and pancakes) into the wee hours of the morning. They finished each other's sentences. They just knew. When Aaron was diagnosed with a rare brain cancer, they refused to let it limit their love. They got engaged on Aaron's hospital bed and married after his first surgery. They had a baby when he was on chemo.