[Sayo's used to staring. He's a sword, a valuable Samonji made one and one with a dark history. What people wouldn't stare at him? Plus, Kousetsu is also a beautiful blade as well...]

That's because our swords are our real form... and our human bodies are our spirits summoned with a physical form.

[Does it make sense? He assume "Digimon" is a type of creature or spirit. He'd like to explain more, but he's still worried about Kousetsu.]

I can try explaining more once we're safe.