AceShowbiz - David Harbour finally addressed his high-profile split from Lily Allen, his wife of four years, and the rumors that followed. "There's a lot of change - a tremendous amount of change," Harbour admitted. When confronted with such change, he believes there are two paths: denial and chaos or acceptance and adjustment. Despite trying to use this time as a period of growth, Harbour is cautious not to paint an overly optimistic picture. Harbour eloquently described his learning process, "I'm learning how to swim in this - whatever it is.