An Old Montana Cowboy An 80-year-old rancher from Montana goes to the Mayo clinic in Rochester for a check-up. The doctor is amazed at what good shape the guy is in and asks, 'How do you stay in such great physical condition?' 'I'm from Montana and in my spare time I like to hunt and fish' says the old guy, 'and that's why I'm in such good shape. I'm up well before daylight riding herd and mending fences and when I'm not doing that, I'm out hunting or fishing. In the evening, I have a beer, a sh…