Yeah.

[He figured she'd get it and there's not really any way around it, so...]

Originally it wasn't intended to be used that way. My array's pretty flexible and it can be used differently. My original aim was just to freeze sources of water. I spent most of my time in Ishval relying on extra canteens and uh... there was one time I used my own blood? But I didn't kill anyone like that unless I absolutely had to.

[Now though... Well, it's better to not mention it.]