Never let it be said that Jessica Capshaw can't keep a secret. For months, she's remained mum about whether her Grey's Anatomy character would live or die post-plane crash. But, with the revelation in this week's season premiere that Arizona survived -- and her injured leg had been amputated! -- at last she can break her silence. Here, she opens up to TVLine about how she learned of her alter ego's fate, why the doc seemed to be blaming wife Callie, and what impact the loss will have on "Calzona" down the line. TVLINE | What was your first reaction when you heard what was going to happen to Arizona? I was nine months pregnant when we shot the plane crash. Then we went on hiatus and I was like, " Phew , now I just have to be a baby mama." And right before I had our daughter, Shonda called and said, "We're gearing up for next season and this is what I'm thinking... " Again, I'm like 10 months pregnant and I'm like, " Huh ? What do you mean ?" [ Laughs ] "What do you mean she's losing her leg?! What?!" It was completely shocking to me. And then I had a chance to metabolize the information and think about the possibilities. And then when we got back to work I was really like, "This is crazy . This is such an insane responsibility." There are so many different levels to it, and there were certainly