[Well, his days of mass violence against humanity were long past him, so nowadays he was in the towel distribution business. It was... a step up! Equius kept his eyes averted until the towel was properly in place, listening to the question and nodding before he tapped at his jawline.]

Ah, sorry. An old habit. Where I come from, the color of one's blood is a matter of pride, so many wish their clothes and thus their cleaning supplies to share that same shade. There is ... ah... less of a common concern here, but I like to be prepared.

[Well... it was definitely part of a non-human culture.]