The decision quality problem nobody talks about

Most investing mistakes get blamed on the wrong thing. Bad entry. Wrong timing. Market noise. But if you look back honestly the setup was usually fine. What was not fine was the state you were in when you made the decision. Overconfident after a win. Panicking after a drawdown. Bored and forcing something. The analysis gets blamed because it is easier than admitting the decision was already broken before you looked at the chart. Do you separate decision quality from outcome quality when you revi