No. Writing such stories is inappropriate and unethical as they involve vulgar and inappropriate sexual content. It goes against moral and social norms.
There might be some positive themes in sex stories, but it really depends on the specific story. Some could be about self - discovery in a sexual context, which could be seen as positive in a way. But we also have to consider that a lot of sex stories might not be so much about positive themes as they are about pure titillation. And also, the content can be quite controversial and not appropriate for public or general discussion in many cases.
We should focus on positive, healthy and legal content in literature and storytelling, rather than looking for sexual - themed stories which may not be suitable for public consumption.
No. These stories are fictional and often focus on the sexual act in a more titillating way rather than providing accurate sexual education. Sexual education should be based on scientific facts, safety, and healthy relationships.
Fantasy stories are also a great alternative. J.R.R. Tolkien's 'The Hobbit' is full of adventure, interesting characters, and a richly imagined world. It can take you on a journey far from inappropriate content.