Sharing a training space can create friendships even when people follow very different programs. One person may enjoy competition preparation while another wants a dependable weekly routine. Those differences do not need to become arguments about who is more serious. Clear expectations allow you to enjoy the company without letting someone else's priorities take over your session.
Discuss timing and exercise plans before assuming you will train together. Working alongside each other may suit you better than sharing every set. Respect different rest needs and equipment choices. If you spot one another, agree on the procedure and learn appropriate technique; friendship is not a substitute for understanding the task or the equipment involved.
Offer encouragement without making every number competitive. Ask before giving technical feedback, and recognize when a question belongs with a qualified coach. Avoid turning appearance comparisons into the main topic of every visit. A supportive training environment leaves room for people to work at appropriate levels and make progress that does not look identical from the outside.
Keep your own plan visible in your log and calendar. You can adapt socially without abandoning the purpose of the session. Good gym company should make returning easier, not create pressure to attempt unfamiliar challenges or ignore personal limits. A friendship works best when both people can leave feeling respected and able to continue their own training with confidence.