But many sedentary people push beyond their intrinsic range when they try to exercise too quickly or intensely, which can make them hate the activity and want to stop, says Dr. Ekkekakis.

WSJ: Hard-Wired to Hate Exercise?

Cowboy you want to be your beer buddy: great stories, great timing, great sense of humour and intensely practical.

BBC: Trick of the light: A California road trip