We'll never really know why, it could be any of the reasons listed or none of them.
There's such a thing as unsolved mysteries and unreliable narrators. Since in hypertext, the narrator's version is chosen by the reader, and we don't necessarily know the reader all that well, who's to say what's believable?
Like for one thing, we don't believe that Maude is even married.
And, since you came here as the result of your very first decision on which link to click and picked this one, we don't have a lot of faith in your decision making but will send you back to hopefully make a wiser choice.