[Varian takes a moment to consider this. Anywhere other than Deerington and he thinks he'd be horrified. But things have changed- it's not like he didn't make Ruby promise the same thing to him, back before July really kicked into high gear when he had enough of himself left to put that safeguard in place.]

...Sometimes that's necessary here. If you hadn't, she might have killed other people, and I don't think she'd have wanted that. It's... a pretty awful burden to have to carry, but you probably did more for her by doing that than letting her run rampant.

But knowing that probably doesn't make living with the fact you had to kill her any easier.