Parkinson's Law states that work expands to fill the time available for its completion. This means people tend to use up all the time allocated to a task, regardless of its actual complexity. For example, if a task is given a two-week deadline, it will often take two weeks to complete—even if it could have been finished in a few days. With ample time at hand, individuals may slow down, procrastinate, or add unnecessary details, only finalizing the work as the deadline approaches. This leads to inefficiency and wasted time, as the mindset shifts toward "How much time do I have?" rather than "How much time do I actually need?" The law reveals how task duration can unconsciously stretch without strict time management and self-discipline.