I doubt that she is a “wife” in the real meaning of the word. Saudi Aribia assigned or gave her to Hillary so that they could keep tabs on Hillary. They had her marry Weiner for the same reason, plus now he can have a “companion” to accompany him to functions and parties. Sex? I believe that her and Hillary had, and maybe still have, more sexual activity than he and she will ever have
Huma probably sent the photos.