[It's not even the kissing. Chekov is an affectionate person in his private life. It's a continued inability to wholly separate work from that private life--the same inability that makes him stumble over calling Kirk Jim--that makes this particularly uncomfortable, even the third time, even now that he's not as tightly wound around his captain.
He shoots the barrier a wounded look when it doesn't go anywhere.]
Seeing you cook would be worth a lot, but I don't think that this will traumatize me so much that alcohol will be necessary. [He tilts his head and looks at Kirk like he's a stubborn and vaguely intimidating math problem. Perfunctory kisses are one thing. Satisfying this sadistic bot is going to take a little more work.] How should we proceed?