Related:

• McCoy: "Happy birthday." Kirk: "I don't know what to say.
  McCoy: "Well, you could say, 'Thank you.'" Kirk: "Thank you." -- "STII:TWOK", Stardate 8130.3...
• Kirk: "I'm going down there." McCoy: "Khan could be down there.
  Kirk: "He's been there. Hasn't found what he wants....
• Kirk: "Don't mince words, Bones, what do you really think?
  McCoy: "Jim, I'm your doctor, and I'm your friend....
• McCoy: "Damn it, Jim, what the hell's the matter with you?
  Other people have birthdays, why are we treating yours like a funeral?...
• Kirk: "What is it?" McCoy: "They're for your eyes. For most patients your age, I'd usually recommend Retinax-Five" Kirk
  I'm allergic to Retinax." McCoy: "Exactly. Cheers....
• Kirk: "Why, bless me, Doctor, what beams you into this neck of the woods?
  McCoy: "Beware Romulans bearing gifts. Happy birthday, Jim....
• Kirk: "Engine Room. Well done, Scotty." McCoy: "Jim, I think you'd better get down here.
  Kirk: "Bones?" McCoy: "Better hurry." -- "STII:TWOK", Stardate 8130.4...
• Kirk: "Romulan ale, why Bones, you know this is illegal.
  McCoy: "I only use it for medicinal purposes. I got aboard a ship that brings them in a case every now and then....
• Kirk: "Mister Scott, you're all spaced-out. You're well.
  Scott: "I had a wee bout, sir, but uh, Doctor McCoy pulled me through....