The fact that she knew all of his weird/bad habits, even the trivial things, was the plot hole in this one
I view it more as she KIND of liked him. Yeah if that isn't the case it's a plot hole, but people tend to pay more attention to people they like, so that's just what my brain interpreted it as.
The fact that she knew all of his weird/bad habits, even the trivial things, was the plot hole in this one