[ McCoy talks to Spock. Blue text: "There's something wrong about a man who never smiles, whose conversation never varies from the routine of the job," ]

[ McCoy continues. Blue text: "and who won't talk about his background." ]

[ Spock speaks and walks away. Green text: "I see." ]

[ McCoy turns after Spock and speaks. Blue text: "Spock." ]

[ McCoy continues. Blue text: "I mean that it's, uh... it's odd for a non-vulcan." ]

[ McCoy gestures at Spock's ears and speaks. Blue text: "The ears make all the difference." ]