In that moment, so much of what Danny tells both of them sounds like the words of wisdom offered by members of the Order, and Hermione can only think of how she, Harry, and Ron had decided to go against the desires of some of the Order's members. Repeatedly, even. And Hermione's not sure that she'd behave any differently if given a second chance, because while she knows that the three of them probably could've lived safely for some time to come if they simply avoided the fray of the war, she would never have been able to live with herself, knowing that she gave anything but her all.

Strategy always plays into it, but necessity is such a gray line that Hermione isn't sure that she's able to walk it at all. When does it become necessary to step in? When is it reasonable to step in for the purpose of trying to save a life?

Her gaze skirts slightly to the side. It's not that simple, she thinks to herself.