john d. mcdonald, you'll remember travis, the mystery-solving boat bum who lived on a house boat in mime, the busted flush. people used to live like that. less and less today. >> when my wife passed away a few years ago, i was living in a condo and didn't want to do that anymore. now i'm on this piece of iron. >> bob, aka captain bob, is still here and still living on his boat in the miami river. >> we sit out here and we look like we're enjoying ourselves, but it is really hard work. just sitting here looking pretty, it's not for everybody. but yeah, it's a good life. >> i've had many friends over the years who live on boats, work on boats, but these were just degenerate wind addicts. >> right. >> this is more of a lifestyle choice for you. >> it is. it's good a machine shop on