[Byleth tilted his head slightly, much like a curious cat, as Shez laid the dagger tip over half of his stylised initial. This time it took him a little bit longer to figure out what Shez was driving at, mostly because he'd been thinking it in relation to Shez. Was it a reference to something about him? A secret second initial he was revealing to Byleth now? Another teasing joke?

But he figured it out after a moment, and when he did...]

Bee!

[No, wait.]

As in, the letter 'B'. [Wait.] Oh... S and B... Shez and Byleth! Our initials bonded together in a single letter that can represent us both...!

[Shez, you're a genius!]