So one of my mental game goals lately is to try to avoid mistakes from becoming emotionally too invested in a hand and be a bit more Spock-like in my decisions. I am trying to work on the skill of being in the moment and observing the moment simultaneously. So when I sit down at the table, I imagine Bart's voice in my head as if he's commentating on my hands at LATB. I always start with "Hello everyone and welcome to ... Today we'll be following Dave as he plays ..."
Can't say that it works 100%, but it does help me to lift myself out of the mental / emotional fog from time to time.