To avoid tilt while playing blackjack, it's important to maintain a steady mindset and stick to a predetermined strategy. Focus on making disciplined decisions based on your gameplay plan, rather than emotions. Establishing limits for both wins and losses can help you stay in control. Additionally, take breaks when feeling frustrated or overwhelmed, ensuring you return to the game with a clear head. Staying aware of your emotional state and recognizing triggers that lead to tilt can also be beneficial.