He looks aghast. "You've been spending too much time around humans."

Because it's not as simple as that. It transcends everything: time, space, physical bodies, even mental capabilities. A fond smile crosses his features.

"I wouldn't call it love. And I don't think she would either. But, 'Alive'... 'A big complicated word, but so sad.'"

Oh, he had heard her whisper 'I love you' to him as she lost the ability to talk to him properly, but the way she defined 'Alive' was so much closer to the truth of it.