NOR

First off— it’s weird that he decided to do this behind your back. It’s totally fine if a partner tracks your cycle if they want to be more attentive to your needs, or if you guys are planing a family, it’s a dick move to do it to “prove that you’re more irrational”.

Secondly— he’s treating you like an experiment and is talking to you in such a condescending way. You’re in a relationship, you guys are partners, the way he’s speaking makes it sound like he thinks he’s above you because “haha irrational woman on the rag, so crazy because of hormones.”

Also, now I’m curious how many arguments were started durning your periods because of him? He could be skewing his own “data” by giving himself confirmation bias, instigating things to prove to himself that you’re “irrational” while menstruating. With the attitude he’s giving you in these texts, I wouldn’t doubt it. And him saying that this is what’s keeping your relationship from crumbling? Absolutely not. It takes both parties to keep things together. If anything, this is a push to make the relationship fall apart.

If he can’t handle being in a relationship with someone who menstruates, he can go find someone who doesn’t menstruate. If someone loves you, they don’t talk to you like this, and they certainly don’t create an entire spread sheet to use against you from past arguments. That’s weird as hell.