Dealing with a losing streak in blackjack requires maintaining a disciplined, calm approach. It's crucial to stick to basic strategy and not let emotions drive your decisions. Managing your bankroll is key, so avoid increasing bets to chase losses and set limits on how much you're willing to lose in a session. Taking breaks when frustration sets in can help you regain focus. Remember, blackjack is a game of probabilities, and losing streaks are part of the natural variance, so don't let them cloud your judgment. It's important to focus on the long-term, making sound decisions rather than trying to recover immediate losses. Sometimes the best choice is simply to walk away and try again another day.