A partner or group can have a positive impact on exercise motivation by providing accountability, support, and a sense of community. Working out with others can make exercise more enjoyable and less isolating, fostering a social environment that encourages consistency. Partnering with someone can also help set goals and promote healthy competition, which can push individuals to achieve their fitness objectives. Furthermore, sharing progress and challenges can create a strong motivational link, making it easier to maintain a routine and overcome obstacles, ultimately leading to greater success in fitness endeavors.