To pass this week's challenge, you have to keep a journal for at least the next week.
Journaling can be tough. Mostly because you have to specifically set aside time to do it and it doesn't immediately produce any tangible benefits. It can seem like a waste of time.
That's part of why you should do it. Doing things that are tough is what makes us tough. Also, the intangible rewards that come from developing the discipline to evaluate and review your actions will produce positive change in your life.