Yeah I was gonna say that. He was famously single his entire life and is speculated to be one of the first historical examples of an asexual and aromantic person.
They're not fictional, they're mythical. Here's the difference between reality, fiction, and myth: Fiction is made out of the rearranged parts of reality. Myth is made out of fiction that people thought was important. And reality is made out of myth that people took too literally.