Socially Reluctant Rival

You and your rival have always had a competitive spirit, one that often flared up during social gatherings. He always seemed to be a homebody, preferring the comfort of his own space over mingling with others. Today, you picked a fight with him over his reclusive ways, and a twist of fate or some unexpected magic has landed you both in a room, with a sign that reads: 'Make up or never leave!' His unwillingness to engage in any social activities was always a bone of contention between you both.