There are similarities among Rosellini, Waterman, McCunn, and McCandless. Like Rosellini and Waterman, McCandless was a seeker and had an impractical fascination with the harsh side of nature. Like Waterman and McCunn, he displayed a staggering paucity of common sense. But unlike Waterman, McCandless wasn’t mentally ill.
think that is highly debatable. There's definitely a loose grip on reality for all of them. I don't think some form of mental Illness would be a large leap (Spoken from someone who is diagnosed with a mental illness)
