Lover's spat is ok. It happens. That's life. Actually, some psychologists or couple counselors encourage a little misunderstanding or quarrel once in a while. It helps make the relationship stronger. It helps the couple know more about each other.
Sometimes a pot of freshly brewed coffee can be shared with your partner. But there will always be times when it is better to drink a cup of coffee by yourself and think things through. The situation becomes clearer and each one of you can calm down before you face each other again. Sometimes, all it takes is one cup of coffee to cool one's temper. The both of you should allow each other to breathe.