Opening the door for another... so that they might open the door for you

Everyone gets upset sometimes. In intimate 1-1 relationships there are inevitable moments when both people are upset at the same time. In these moments, it is as if two people are trying to fit through a small doorway at the same time. One pushing, one pulling; and no one getting through.

What would it take for you to open the door for your partner? To let them through first, so that they can hold the door for you in exchange once they are through?