[ The explanation is logical, and probably the safest course of action overall. Having a second Rin around might be a gigantic headache, but an honest-to-god doppelganger would be the absolute worst possibility.

Even so, Gray hesitates. She has D's soft heart without the millenia to thicken its walls. Understanding but not quite accepting, she glances at D a bit helplessly when he maybe-sort-of agrees with Rin's logic, knowing that her own hesitation is mere sentimentalism. ]

If that's what you've decided, then...

[ It isn't like Gray can stop her. This isn't a situation where she can snatch the Shard up and ferret it away for safekeeping. That said, she does reach out to take the Shard, with care even though it's apparently been sentenced to an impending demise. ]

Are you sure you don't want to wait a while longer? We may be able to learn more about these.