บทเรียนที่ผมได้เรียนรู้จากคำว่า 'ขออีกเทรดเดียว'

Completely agree. That feeling of 'leaving money on the table' is a killer, especially after a good run. Knowing when to walk away is half the battle.

Ah, the classic 'just one more' trap. It's almost like the market knows when you're tired and decides that's the perfect moment to test your discipline. Glad you learned the lesson without losing more than half the day's gains; could have been a much bleaker morning coffee.