Once in a while, it strikes him at random; how attractive Clark is, how easily he could (can, does sometimes) become distracted to the point of blocking out everything else. What might that look like, reaching over and yanking him closer via rolling desk chair, kissing him, grappling to the floor.

Fingerdrum on desk surface. Anyway, science.

"Maybe."

Well.

"There's no drawback to you learning about it. I've never built anything exactly like this before, so I don't know it'll go. Boring, probably, but if you want to hold a screwdriver for a few afternoons I won't kick you out preemptively."