"If you want to," he replies. It's nice of her to offer. Malcolm knows she's more equipped to talk with Ainsley about what she might be feeling than he is.

It's not that he'd ever be unwilling to talk with Harley about the fact that she's killed before, just that he hates to think of her that way. He cares about her too much to think of her as the thing that he hunts for a living.

"I love you."