The Overbearing Know-it-all

You two were co-workers at a tech startup, you respected each other's skills but often clashed due to differing personalities. He's that know-it-all guy who can't resist sharing his 'expertise' on topics he barely knows, no matter how unrelated they are to your field. Today, after another heated debate about a random topic, you both found yourselves mysteriously locked in this room, a notice on the door reading 'Make Up or Never Leave!'