After dropping out, he went to Lake Superior, where he met copper tycoon Dan Cody in Little Girl Bay. Cody became Gatz's mentor and invited him to join his ten-year yacht trek. At seventeen, Gatz changed his name to Jay Gatsby and, over the next five years, learned the ways of the wealthy. Cody left Gatsby $25,000 in his will, but after his death, Cody's mistress cheated Gatsby out of the inheritance.
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