Do you spend too much time preparing for every eventuality, only to end up unprepared for the real challenges that arise? Do you overestimate your abilities and underestimate the complexity of the task at hand? Congratulations, you're an Overconfident Overpreparer!
Here's a subpar achievement for you: you've managed to create a to-do list that's longer than your attention span.
Why not try to overthink it some more? We hear there's a analysis paralysis support group for that.