Wait... is this describing your wife/GF/SO or your boss at work?We don't put each other "on the spot" with we need to talk, we schedule it, twice a week. Cooler heads prevail when it is organized.
Keep no secrets, you're a team, but give yourselves some thought time, before the words come out. Keep your appointments, speak in turn. It's not a competition, it's a coordination of compromise. Agree, before you adjourn.