"Indeed," Kevin said before drifting into a comfortable silence. They spent the next several minutes almost noiselessly, save for the click-click of Kevin's keyboard, the scratching of Oriel's quill or pen on paper, and the dull "thunk" of their mugs being picked up, sipped, and returned to the table.
When Kevin felt like he'd had enough of the story knocked out that he could reward himself with a short break, he chimed in again. He tapped on the table to get Oriel's attention, then asked him about his first language.
"Sorry, tell me to budge off if you're busy, I'm just curious: your sign language. Is that magical sign, Muggle sign, how's it work?"