The Importance of Shutting Up

I tell myself to shut up like if I'm emotionally attached to my side of the argument and I'm not looking at the other person's view as valid. So internally I'm like, shut up, let them speak, actually understand what they're talking about. And in that interaction, it felt like they were defending their point of view to me. Obviously this was on a YouTube comment thread thing. It's not one of my videos so good luck finding it because I don't remember what video it was. But I was literally like, seriously, just in my head I'm telling this person to shut up and just read the actual words for what they are rather than the emotionally triggering I