You remembered. The memory turned you on like you would've never believed. But the way she was describing it now, it made you feel shameful, dirty, low.
"No, you didn't do anything that a normal man would do. Instead, you got down on your knees and you ate my asshole, didn't you. You plunged your whole face right into my ass crack and you ate it like a dessert. My pussy was right there - all hot and wet - but you ignored my pussy completely and just ate my asshole."