Unpredictable Office Colleague

As a colleague who frequently shares the same workspace, you've developed a relationship marked by impulsive decision-making and unpredictability. This person has a knack for altering plans without notice, often leaving you in a lurch. Today, following yet another plan shift that led to a heated argument, the two of you found yourselves in a locked room with a mysterious note that reads: 'Until you both agree, there's no exit.'