For the first time in this conversation, Dexter looks like he wants to believe her and she presses her advantage, saying in hurt tones she's not sure she believes he loves her anymore. Dexter, not quite ready to be manipulated out of this conversation, breathes that she was at Deb's house the night before, but Hannah tells him she only thought that if Deb knew how much Hannah cares about Dexter, she'd back down a little. Dexter, probably figuring this out for himself as he's talking, blurts that if anything ever happens to Deb now, he's going to wonder if Hannah was responsible, but Hannah yells that this this inability to trust is Dexter's problem and it's like he's got something inside him that's undeserving of love, and whatever happens PLEASE do not call whatever that might be "The Distrusting Passenger" or some shit. Okay good, Dexter tells her not to turn this around on him, because he knows what she's capable of and obviously he wants this relationship to work. Also look who's talking, but still... effing SERIOUSLY. Hannah plays her last card (and by the way, the acting here is great, both from Hannah and Strahovski) by saying that she's never made a mistake, meaning that if she had poisoned Deb, Deb would be dead and this is finally the point with which Dexter finds it hard to argue as he concedes that maybe it was an accident. Hannah, once again sensing the opening, tells Dexter that of course he would want to make sense of the situation, but in doing so, he may cost himself their relationship. Dexter gets emotional now, saying he doesn't want to lose Hannah, but Hannah tells him while she's one hundred percent sure about him being the one for her, he needs to feel the same for things to work. He concedes the point, so she goes on that he needs to figure out what he wants "and what type of future you want to have." Dexter is too worked up to reply, "Um, one where my sister maybe isn't in danger of dropping dead every time she looks at you sideways?" Hannah dramatically trudges to the door and opens it for Dexter and he takes the cue, subtle as it may be, and walks out...