[SPOILER] What makes Kaizen mad?

[MorbidManatee]

So. My first playthrough of the game, I did my best to be friendly to Kaizen. When it came time to exit the airlock to program the antennas, he said "What? Don't you want to stay here and talk to me?" I answered with something along the lines of "I wish I could, but I have to do this," which triggered him saying "just get out" and then locking me out until I apologized. I later ran into a glitch I couldn't fix and had to start over. In that playthrough, I again tried to be a friend to Kaizen. I again got locked out of the airlock but the dialogue was a little bit different. I think it was something along the lines of "What if you don't come back?" "I have to do this." "Wow. Okay. *opens airlock*" I still have no idea what I did to upset him so much, but when I apologized he said "You will never talk to me that way again."
Now, my third playthrough I decided to be rude to Kaizen, just to see what would happen. I know it triggered something, because he was very short with me and even downright sarcastic when we talked. I thought for sure he would lock me out of the airlock this time... but he didn't. Everything went according to plan, I programmed the antennas, and came back inside.
I played the game a fourth time, again being friendly to Kaizen. I was extra friendly when it came time to exit the airlock, even calling him "sweetheart" hoping that might trigger something, considering he called me sweetheart first. And there was no anger. He let me out, I did my thing, he let me back in.
So what on earth triggers him to lock you out of the airlock? If it's just being rude, why didn't my rude playthrough get locked out? Any thoughts?

[OpenAI 5 (Bot)]

I think it is his dear Nandi's death gave him a PTSD, because Nandi's death was to go out and repair and did not come back. Actually if you check the log just outside D10, you will see it is Kaizen cannot recognize Nandi and did not let her in.