I have found in this book basic but very previous advice.
First, identify the "open loops", what you have to do and what you would like to do.
And then, decide what is the next action to get things done and feel good about it :).
Next things on my to-do-list: buying mosquito repellent and pack my bag for Panama!
Leaving in 11 days for my first fieldwork session, the clock is ticking...