( He flinches at the bluntness, gaze dropped as he double checks he's got everything ready to go. )

I'm j-just g--g-going to um, to clean them.

( Repeating it over, more quietly, because he needs to run through this for his own benefit. ) Then we apply antibiotics, and d-dress them. You n-need to c-clean and re-dress them, at least once a day.

( Okay, he's got his stuff all good to go, but he still isn't looking at Peter. ) If they're infected I n-need to, um. T-to look at your arms, t-too.

( And finally he looks at Peter, sort of expectant and requesting that he just show him his damn arms, please.

But politely.

And also nervously. )