We should avoid impulsive buying and selling.
Is the objective indicator you are referring to self-control?
I don't get the point you made in your thread.
As traders, of course, we are aware of the risks we face in trading. and minimizing these risks is the way of traders with experience and skill.
Your point regarding impulsiveness in determining buy or sell positions is related to the trader's experience. The more experienced a trader is, the better their control over the decisions they will take.