[... Ah. So that's it then. It's now more than ever that good mental control benefits Eva and in the end she just sighs.]

Look, I'm not going to tell you how to live your life or anything. It's not exactly the way I go about drinking but hey, if you're not hurting anyone besides yourself...

[In the end, he's a stranger to her aside from this conversation. And he's not expressing remorse or regret or any such so the caretaker side of her can't really come into play. You can only help the ones that want help after all.]