[He laughs, though it's a touch cracked from a voice not used in a while. He should probably get up and get some water, but it could wait. Plus, he had cats on him, it was illegal to move them.]

Perhaps I'm so old, you'd dust me all away, then who'd be there to poke and prod you for exams and your well-being?

Which reminds me, perhaps we should schedule something soon, it's been a while since I had a good look at you.

[Is he teasing? Most definitely. Kirk's doctor-phobia was admittedly funny to him...even while also annoying for his job.]