Did Halstead and Upton Breakup in Chicago PD Why did Jay walk away from Chicago P.D.? | Why did Jay separate Chicago P.D.? | What caused Jay to separate Chicago P.D.? | What motivated Jay to quit Chicago P.D.? | What made Jay separate Chicago P.D.? | What led Jay to separate Chicago P.D.'s p d? | The reasons behind Jay's separation from Chicago P.D. | The factors contributing to Jay's departure from Chicago P.D. | Jay's decision to abandon Chicago P.D.: what prompted him to do it? | The explanation behind Jay's abandonment from Chicago P.D.: what led him to opt to do so?