Though the time and place is wildly inappropriate and Cersei is fearful of discovery, she is as hungry for him as he is for her.
"She is as hungry for him as he is for her."
So I’m not saying that all the people going on about how Jaime was an unreliable narrator and how Cersei’s “weak” rejection wasn’t actually “weak” and how she only gave consent to get it over with faster…
… because the author is saying it for me.
(Though he should have stopped when she first said “no.” That wasn’t cool. But yeah, Cersei’s consent was real is my main takeaway from this.)