Keltham notices that part of him is less than cheerful about the fact that Carissa was available, since now an ouch badthing will happen to him. Keltham notices that part of him is scared he's going to perform so badly that Carissa will fall out of love with him.
Keltham proceeds to the cuddleroom anyways. It's not that this is a sexy thing per se, but that the cuddleroom is in fact where the heating-stone from Subirarchs's collection happens to be.
"Carissa, I notice that I'm more scared of performing poorly on this test and you thinking I'm pathetic than I am about the pain. Any strictly truthful remarks that come to mind about that?"