Part of Don's brain stumbles over the word "kill point" and lingers there, along with the idea of Mikey stitching himself up, but the rest of doesn't, and he's rifling through his bag and dragging out a bowl, shoving it toward Raph. "I didn't call you over here to talk. I need you to go get water. My hands aren't clean enough for this."

He also pulls out a carefully-wrapped piece of cloth and sets it on top, but doesn't do anything with it yet. No need to muck up sterilized faux-needles with dirty fingers. Instead he reaches for Mikey's arm again to go back to plotting out how he's going to get the broken stitches out with minimum damage and if any can be saved. Or are worth saving, which...Wow, these are bad.

"If you knew the stitches were bad in the first place, then why did you have to go and test them? Did it occur to you that re-opening a severe injury mid-fight might have made everything worse?" He's pointedly ignoring the diversion thing - for now - because that was just stupid thinking.

Mikeys.