Following 2 more bad trades, trader start questioning his own strategy. Confidence is shaken, no doubt. Despite having performed well in the past one year trading his own mini account, trader just have a certain mental block trading a friends account, extra careful and fear set in.
Of course, he understood my concern over averaging on bad trades, thus he was unable to execute his strategy. From those trades he had taken, there was a tendency to pick top and bottom based on short term indicators for day trading. His stop was too far away and he didn't ride the profit far enough on those good trades. I told him that's a recipe for disaster.