Pretty sure none of this has happened? Charles isn't family friend, iirc he only enters the picture as physics club advisor when Edwin is in high school? Edwin at no point mentions him having any other role in his life. (Ian's life is another story with Chuck being his uncle and all)
Leaving aside everything else, the idea that a single woman has to do porn flicks of all things to get laid is, well, there's no need to say anything more, the laughability of it is self-evident. Victoria even tells Ian she hooks up every now and then to scratch this itch, when he inquiries about it.