You will strengthen your patience muscles.
We live in a society that expects instant gratification, which is anything but a blessing for most people’s success in life, as there is nothing “quick” or “easy” about losing weight or starting a successful business. While it might be “easier” to watch a two-hour movie, it is far more beneficial to spend forty-eight hours reading a book. Opting for the book over the TV will strengthen your patience muscles over time, resulting in more success in business and life.
source: Lifehack.org. Read the entire article by Daniel Warren.