Four is a major number in generalized First Nation''s culture. This list is nearly endless considering that the Hill Country is a veritable cornucopia of edible plants. Lots of other games and contests - humans are ingenious at creating them. We originated this ceremony. It has spread to many tribes and is the basis for the Native American Church.
People are people.
Counting Coup is a good example, where you get close enough to an enemy to touch him with your Coup Stick without getting hit. He loses face and you gain honor. Imagine the warriors shock when the white folks would shoot them while they attempted to count coup. Sorry, the last fluent language speaker passed over about 25 years ago. That is a fairly direct translation of Titskanwatitch.