A working theory...
During Season 6 Episode 3 John Locke interviews with temp agency Hurley owns. Before Rose, the supervisor, steps in, he is questioned by the same psychic his father hired in Season 3 Episode 10. On the wall behind Locke are two posters that prominently say the word "dream."
(A scene later in the teacher's lounge says "Forget the present, plan for the future" which suggests posters aren't accidental, another one says something about "lessons teachers teach last forever.")
All of these flash sideways things seem to be more hopeful than the bleak realities before....even Locke's story was a touch more hopeful. Hurley doesn't know how Locke was paralyzed so that would explain why in the flash sideways his dad could still b…Read more >