A lot of horse-hockey
There are many different ways to strengthen the mind such as traveling and seeing more of the world. However, for the ROK readers who don’t have several thousand dollars and a few months of vacation time that is sitting around unused, there are cheaper ways. In fact unless you are in a wheelchair you have all the tools you need to do it from right where you are sitting in front of your computer.
Introducing the horse stance. It is a core exercise found in many Chinese martial arts. I am told not to give away any of the secrets of my kung fu school to the public, but I recently found out that horse stance is one of the basic stances in almost all yoga classes so apparently the secret is already out.
To do it put your legs about one and a half to two shoulder widths apart. Try to keep your toes pointed forward as best you can.
Then keeping your back straight and perpendicular to the ground squat down until your thighs are parallel to the ground with your knees pointing out to the side. Before doing it read the part below on proper form to prevent knee problems. Hold this stance for as long as you can.
The longer you hold the horse stance the more your legs will burn and burn. The burn will make your mind go into overdrive to rationalize excuses for why it is OK to give up and stop the burn. For me this generally starts after about three minutes into a five minute workout. To block it out I might try to close my eyes and relax despite the burn. Then I open them to see how much longer I have to endure the burn and see that only 40 seconds of burn have gone by. My legs are already burning and it will be another minute and twenty seconds of even greater burn before the burning stops.