Their relationship faces a turning point when Erica Hahn expresses a deeply personal "realization" about her sexuality, only for Callie Torres to pull away in panic.
Characters like Izzie Stevens face a moral crisis, refusing to participate in the animal testing while others, like Cristina Yang, eventually prioritize the skill-building necessary to save future human lives. Professional Growth and "Impossible" Missions [S5E6] Life During Wartime
The episode establishes their long-term arc as Cristina struggles with her attraction to Owen, a man clearly haunted by the 19 soldiers he lost in Iraq. Their relationship faces a turning point when Erica