The psychological failure modes of gold breakout trading are chasing the first wick through the level, revenge re-entering after a false break, and inventing trades out of boredom between genuine setups.
Structural defences work better than willpower: pre-placed retest limit orders, a one-entry-per-session-per-direction rule, a written one-sentence thesis naming the macro driver, and entry and exit screenshots.
Exit regret on XAU trend days is a rules problem — partial profit at the measured move and a 15-minute structure trail on the remainder beats holding everything for an outlier day you cannot identify in advance.