He snerks again, and says, "Well, I won't, but don't think you can fool me like that idiot. I know your eyes work and your brain isn't made of muscle." He nods; frankly, he doesn't really want to go there (he's gotten himself into huge amounts of trouble before, when confronted with undeniable proof that Rus isn't all talk), but avoiding it would be a lot of fuss.
"That's different," he says, wrinkling his nose a little (a little wrinkling, not a little nose). "Quite a different sort." His mouth pulls up. "When you said leash... quite an evocative phrase, don't you think?"
"That's quite all right!" Severus says, perhaps too hastily,out of myriad memories of having his back cracked just from greetings. "No doubt a little time away from the workroom with," he picks up his glass with a nod to Alf, "just a very little help will serve."
Rus's basic honesty is a big part of why Sev likes him. Is very distressing really. u.u