According to the Cleveland Clinic:
Demisexuality is a sexual orientation. People who identify as demisexual only feel sexual attraction to someone after they’ve formed a strong emotional bond with them. Compared to the general population, most people who are demisexual rarely feel sexual attraction. Some have little to no interest in sexual activity. Most people in the general population can feel sexual attraction regardless of whether they form an emotional bond with someone. They may feel sexually attracted to strangers or to new people they meet. But people who are demisexual don’t feel this initial sexual attraction.
Has there been any Halachic literature/responsa that's discussed this orientation? How would the laws of Yichud or Shomer Negiah, for instance, be affected by a person having this orientation? Perhaps there is not an issur yichud for such an individual with a single woman a man does not know?