"Everyone's emotions affect the choices they make." Now there's a trace of impatience. That there's a lack of personal investment in her feelings is only appropriate, so in his eyes this is just Kate giving him attitude — something he understands to a degree, as the topic is obviously a sore one, but even if he were inclined to be kinder about it, they simply don't have that kind of relationship. They don't have any kind of relationship yet.

"If you want front line work, you'll probably get it until we have more people involved. But if you're not prepared to kill to save whoever you're out with, you'd better let them know that beforehand."