"Of course you're a grown man," Sirius remarks, mildly affronted. "And you're as susceptible to diseases as I am, you know. Now, at least. But I've got a wand on me, erratic as it might occasionally be. It's a bit more powerful than a mobile."

He can see Kieren's point though he still maintains that he's not being unreasonable.

"Some things can't be avoided, I do know that. I'm not a complete imbecile. It's just the preventable things I'd like to work on. I could make a charm of some kind," he adds, his tone a bit pleading. "Just a token that could offer some bit of protection should you need it. That's all."