Check out "The Motivation Hacker" by Nick Winter (http://www.amazon.com/The-Motivation-Hacker-Nick-Winter-ebook/dp/B00C8N4FNK http://www.amazon.com/The-Motivati

Check out "The Motivation Hacker" by Nick Winter (http://www.amazon.com/The-Motivation-Hacker-Nick-Winter-ebook/dp/B00C8N4FNK http://www.amazon.com/The-Motivation-Hacker-Nick-Winter-eboo... - $3 ebook) for some reasons why commitment contracts might help - not everyone is that strongly self-motivated, and even strongly self-motivated people can benefit from them.