The 'Days In A Week' dispute is a legendary 2008 thread from the Bodybuilding.com forums where two users engaged in a 5-page-long argument about how many days are in a week. The conflict began when user 'TheJosh' argued that working out every other day equates to 3.5 days a week, while 'Justin-27' insisted that a week cannot be divided into half-days. The argument spiraled into an absurd logic loop involving calendars and basic arithmetic, eventually becoming a hallmark of internet logic fails and forum culture. It is frequently cited as one of the funniest examples of a confidently wrong argument, used to mock circular debates and people who fail at basic math.