The math is wrong and ultimately not even related to the point. Why include it? I would've preferred a post consisted of the 3rd and 2nd to last paragraphs.
No kidding. Trying to compute the odds that a particular hour of your life was spent in the "best" possible way is a recipe for misery, even when it's not an actual symptom of mental illness.
Somebody needs to read The Paradox of Choice.