Everyone picks up vices somewhere along the way. These days Nill tends to stick to smoking when she can, but drinking is an older vice. These days she tries to only do it when it's necessary.

Being stuck in a room watching kids die makes it seem pretty necessarily.

Instead of writing anything she offers him a brief, grateful look in the way of thanks, with a little upturn of her lips at the joke, before she fishes out her pack. She has a cigarette out and lit in a matter of seconds, but instead of putting the pack and lighter away again immediately she holds them out to Bruce in offering. He's free to one if he'd like.