I wonder whether Dullan also retains his memories throughout the loops or just understands the general concept. I suppose it's the latter, otherwise he would've already seen her mental health starting to crack around loop 20 or 30.
I'm still intrigued about shipping him with Carynne though. I mean, if Dullan's approval is the "win condition", then it might as well be a losing game since he might never accept Carynne's love for another person. But even aside from that, I dunno, he just seems very loyal and sweet? Twisted, yeah, but in an endearing way?
Oh god I should stop before I say something unintentionally revealing.