I tend to go through several stages when planning a large adventure. The first step is announcing my plans to my friends and family. This is done well in advance, less out of excitement and more out of a desire to appall them. However at this point they tend to handle my pronouncements disappointingly well. Once my loved ones have been made aware of my plans and have hardly blinked a collective eye I move on to preparation.
Embarrassingly enough, the bulk of my time and effort is spent on idle uselessness rather than actual preparation; apparently my brain enjoys fixating on the perfect hiking outfit and weighing gear but excitement and tangible preparation fails to really make an appearance. I can agonize for hours over the theoretical inclusion of a dress to wear on days off from hiking. I've weighed my gear three times now. I'm not proud of this, but it's true.