...I don't know if it will last. I haven't done it much.

[ Blade will admit to that. Mara means that such thoughtfulness may even be compromised at the drop of a hat; but even so, he says it nonetheless.

Though, with Yoru circling back to that question he had asked, he figures it still isn't surprising he had that amount of willpower.

People's important ones are their motivation; their drive, their everything. ]

You thought it would help reach them. [ ... ] How did you meet this family of yours, Yoru?