Isabelle was pretty intimidated at first on both counts. She was a little bit scared of what might be expected of her as Cy's sub if he and Lynn went that extreme in their own dynamic, but as she came to understand that that's just a Cy/Lynn thing and not anything she'd be asked to do, she found it more impressive as a sign of the bond between them. With her concerns out of the way, she's also more free to find Lynn's dedication, denial, and surgery scar hot as fuck.