我属于爱正面杠的。

第一步先call out his behavior,

You're attacking me based on your emotion, not facts. This is not constructive criticism, and it's making me extremely uncomfortable. If you need time to cool off, we can pause here and schedule for another time.

第二步, 给台阶下, 引回主题,

If you want to point out what went wrong and how to make improvement, I'm all for it. But please be specific and stay on topic.