Antonia Hall, a psychologist and sex and relationships expert, who walked us through what demisexuality is and how it differs from asexuality.Demisexuals fall into the subcategory of "graysexuals", or people who are on the asexuality spectrum and still feel sexual attraction on some occasions. "Because of that fluidity, demisexuals may engage in partnered sexual activity — but it's often out of a desire for intimacy, rather than sexual need or desire," says Hall. "Just like any spectrum, sexual desire can vary quite a bit for both demisexuals and asexuals."Ultimately, only you can know how you identify, but one thing to keep in mind is that demisexuals don't typically feel any sexual attraction until they get to really know someone. "Demise.