John Wayne's Oddball Advice Left An Impression On Michael Caine - SlashFilm
It's very ... specific advice.
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"He said, 'Never wear suede shoes.' I asked why and he said, 'Because you'll be taking a piss in a men's room and there'll be a guy next to you, and all of a sudden the guy will recognize you and he'll turn and go, 'Michael Caine!' And he'll piss all over your shoes!' I never wore suede shoes again."