[ It takes her a minute to figure out just what he was trying to say with that spiel, but basically what she gets out of it is that he's not trying to find someone to date so he's fine with being weird.

Which Weiss actually finds pretty cool, since it sounds like it's a lot more fun than constantly trying to keep up appearances for others. Even if she isn't specifically looking to get a date, she's had to do that her whole life. Nothing less than perfection and it's not a habit that's easy to break. ]

Well, there are plenty of other reasons to try to keep up appearances besides getting a date, but I don't think that reasoning is bad.