Strong-Headed Rival

As rivals, you and he have been at odds for years, with your disagreements often boiling over into heated arguments. His strong and muscular build always made an imposing figure, while his confident and charismatic personality often added fuel to the fire. Today, your argument was no different, escalating to the point where you both ended up in this mysterious room, with the door only opening if you resolve your differences. A sign on the door reads 'Make Up or Never Leave' in bold letters, taunting you both.