This. I taught my wife as she would go down me. I get a customized bjs per week. She now doesn’t it perfectly.Talk with her! Give her instructions as to what feels good and what you like. I am sure she would find it hot if you gave her "orders" during the entire process ( I know I like it!) The video is a good idea. If she is hung up on that title, find another. There are plenty out there. Maybe search for them from a woman's perspective such as "romantic blow job videos" or "porn for women"
She did the same for me eating her pussy. I can get her off multiples times now that she has coached me up.