Well, that doesn't overtly sound like she picked up the subtext, so either she actually didn't pick up the subtext (hypothesis 1)*, maybe because his theory of what she was trying to do was completely off-base (hypothesis 1.1), or maybe it'll delayed-drop on her later (hypothesis 1.2), or alternatively she got it but doesn't want to talk about it now so is concealing that she got it (hypothesis 2). Either way, he should move on.
(*) The Baseline way of thinking this hypothesis tree makes it clear that the branches are not exhaustive, meaning there's an implicit hypothesis 1.0 "all other branches of 1" that is neither 1.1 nor 1.2.
Keltham checks in with his sexuality. His sexuality is not, he thinks, really all that hindered by the thought of the grimdark thing that happened to Carissa; the desire to protect her is weirdly close in mindspace to the desire to have pain-inflicting sex with her. The reason the mood could be that fragile is because of the other impediments still going on.
"I checked in with sexuality again, now that my brain had four half... two minutes to rest," Keltham says. The tendency to underestimate required temporal resources is so ubiquitous that, even in dath ilan, people who don't want to spend infinity mental labor-hours on doing better will just live with their embarrassing darned underestimates, and move on. "It still wants to hurt you and have sex with you and - try out paying nothing back, which I guess this is a good time for nope major inner pushback on that, some part of me is not okay with the prospect of not knowing your sex passcode and not being able to inflict pleasure on you when I feel like it, and it wants to run off and build a hugely overpowered magical vibrating-thing to brute-force your sex passcode. I don't actually know what's going on in my head right now. Do you know what's going on in there."