He ducks his head to steal a quick(ish) kiss in return, before ambling over to the lonely kit, and snapping it open with the ease of long practice. He takes a moment to double-check his drug and dosage (any doctor, in his opinion, who stops checking, is an idiot). Reassured, he shoots himself up without having to check where the vein might be.

That done, he goes to find his clothes. One hopes he finds them intact.