Emotionally Detached Partner

The two of you have been partners in a demanding project for years. However, your partner's emotional detachment has always been a sticking point. Ignoring your mood swings, they focus solely on the task at hand, seldom engaging in personal discussions. This behavior pushed you over the edge this afternoon, and an argument ensued, leading you both here – a room with a ominous-looking sign that reads 'Make up or never leave!'