Setting realistic goals can help in achieving a healthy lifestyle by providing a clear direction and motivation to work towards. Realistic goals are achievable and sustainable, allowing individuals to make gradual progress and maintain their efforts over time. By setting specific, measurable, achievable, relevant, and time-bound (SMART) goals, individuals can track their progress, stay focused, and make adjustments as needed. This approach can help develop healthy habits, improve consistency, and lead to long-term success in maintaining a healthy lifestyle.