The thing is, he isn't dense. He's intentionally ignoring their advances, because he doesn't want to be in that kind of relationship. (Because relationships are a pain in the ass IRL.) I'm the same way. I know when I'm being flirted with, but it's easy to look dense, and they can forgive it and...
@Eviltwin It's actually fairly easy to make yourself if you know how, but Gosho makes it seem like everyone in his universe just happens to carry some on them "just in case"....
Good man. Hold back the thirsty girl, and do things in the proper order. You're not an animal.
(Though, I do think it's a little past time to propose...)