Sure. There are moms who volunteer in their communities while also taking care of their families at home. They are great role models for their children, teaching them the value of giving back. And then there are moms who overcome great difficulties like illness or financial hardships, yet still manage to raise their children with love and care. These are the real and positive stories about moms.
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.
Sharing such stories might be inappropriate as it could involve private and often unethical or unseemly situations. We should focus on positive and respectful stories about moms, like how they selflessly care for their children.
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.
I'm not aware of any such stories in mainstream popular culture. Truckers are usually associated with their driving jobs, long hauls, and the trucking industry in general, not such inappropriate or vulgar content.