"Lena, you're going to love it," Sebastian said, excitement lacing his voice as they strolled through the crowded streets of Rosenheim. The summer fair was in full swing, lights from the Ferris wheel casting a warm glow across the town square. Lena, a vibrant nineteen-year-old with a heart-shaped face and a cascade of blonde hair, looked up at him with a mix of curiosity and skepticism. They had been together for almost f...