We can start by strict content screening in the media. Publishers and platforms should have strict guidelines to filter out such inappropriate content. Also, parents and educators need to be vigilant and educate children about what is appropriate and inappropriate reading material.
There is no evidence to suggest that such activities occur in a gym environment. Gyms have rules and ethics in place to maintain a proper and respectful atmosphere for all members. This kind of description violates the basic norms of a public fitness place.
Most literature aims to promote positive social values, and topics like this are not part of the acceptable content in literary works. We should look for stories that are about love, friendship, and moral growth in literature.