A bit, but-- it's as you said before. It would be a temporary thing, and even if it weren't... I would far outlive them, I am sure.

[maybe that's just something it's best to avoid in the first place, all things considered. he's already seen people grow older while he never aged, and that was with an entirely different sort of relationship.]

But don't worry about Shishimaru. I will not say anything.