Peer support has a profound impact on fitness adherence by fostering a sense of community and accountability. When individuals engage in fitness activities with friends or workout groups, they are more likely to stay motivated and committed to their goals. Shared experiences can make exercising more enjoyable and help individuals navigate challenges together, providing encouragement during setbacks. Additionally, positive reinforcement from peers can lead to improved self-efficacy, making it easier to maintain healthy habits. Ultimately, supportive relationships can significantly enhance long-term adherence to fitness routines.