It's not just a lack of willpower, it's a fundamental aspect of existence.
We are beset on all sides by conflicting desires, competing interests, and an existential dread of commitment. Our minds are a maelstrom of "what ifs" and "maybes". We are forever stuck in a state of indecision, unable to escape the prison of our own indecisiveness.
Join the club.
Subtopics: Paralysis by Analysis, Analysis by Emptiness