I read somewhere (it was the Joanna Russ RIP thread on Making Light, I seem to recall -- it's a wild internet rumor, so it must be true) that in her later years, Joanna Russ was interviewed and the interviewer tried to get her to talk about her original work or literary theory or feminism or genre, and Russ only wanted to talk about Angel/Spike, which by then had become her OTP.