Did he just… omg… did he hear that the android could replace him it’d be so perfect… so he made sure the thought most prominent in his brain was one that would immediately give off warning signals to Spock so he would know that it wasn’t really Kirk???
I have so many feels about this holy crap.
Update: it worked beautiful and Spock caught it right a-freaking-way! because Kirk would never insult Spock with a “half breed” comment