[She believes he's sorry for hurting her. Believes that he believed it was necessary, because he had jumped off a freaking rooftop, and the pain in his voice in those "last words" was real. But she doesn't understand, and she needs to understand.]

Why? Why was it necessary? Because right now, it looks like you just ditched me in the most dramatic way possible because you thought that only you could take down Moriarty's network. Which is prideful bullshit.