Why didn't the fitness coach announce his girlfriend?
In the gym, the coach's girlfriend is not allowed to appear in the gym before the game, because most of the coaches in the gym are men, and then most of their clients are actually women, and for women.
Some coaches are bound to have some physical contact when teaching, and then in some cases, the coach's girlfriend may have some misunderstandings, which is why the coach's girlfriend is not allowed to go to the gym.