On Thursday's pivotal episode of Grey's Anatomy, Callie (Sara Ramirez) and Arizona (Jessica Capshaw) put forth a valiant effort to save their marriage - and then ultimately realized that maybe they're better off just calling it quits. The episode, titled "Bend and Break," spans a little over a month, during which time Callie and Arizona - with the help of a couples therapist - engage in several yelling matches while trying to work through their issues, and eventually decide to do a trial separation. Predictably, they slip up - and their therapist makes them start from scratch after they confess to her. [...] at the hospital, Arizona's having a tough time with Dr.