I heard this story 18 years ago, and was deeply moved by the drama these young boys endured for the better part of day. One of them would later relate that it felt as they were reliving the book "The Lord of the Flies."
Motivation is the process of solving problems. The contrast between ‘what we want’ and ‘what we have’ is what motivates us. The contrast is the problem. The more the contrast, the stronger the motivation.