"It is transient," she replied, heaving a long sigh. "Most of the time, I can ignore that part of it but then I will think about what we are going to be doing in a year, or two, or five and there it is."
Castle hadn't said it out loud exactly, but Kate wasn't usually as tactful about certain things. Chalk it up to her cop training and lack of tolerance for bullshit. "I mean, how do you make plans if you know that one day you might not be here anymore?"