The most important thing in trading is to stay alive. Although stop-losses are counterintuitive, to achieve long-term profitability in the market, you must first ensure you survive.

Once an order enters the market, it is either a loss or a profit; there is no third outcome.
If you are wrong, you are wrong—don't dwell on the wrong order.
Focus your attention on the next trade, always pay attention to the next order.

Below are two types of entry signals for everyone to study and reference, $XAUUSD