It is ok to exercise with the opposite sex, and you can get many benefits, such as mutual supervision, mutual encouragement and mutual progress. In the process of fitness, the interaction between the opposite sex can also increase mutual trust and tacit understanding, which is conducive to improving the fitness effect. However, it should be noted that when exercising with the opposite sex, you should keep a proper distance and respect, and avoid making too intimate or inappropriate behaviors. In addition, we should also pay attention to protecting personal privacy and safety to avoid being hurt or violated during fitness. In short, it is normal to exercise with the opposite sex, but you should keep a proper distance and respect during the exercise and avoid making too intimate or inappropriate behaviors.