We got into a fight or, We always end up arguing is covert blame and an irresponsible statement.
This "we" point of view
is called the 50-50 definition of responsibility. It's used in the legal
(adversarial communication model) system which is concerned with fault and
Responsibility is 100% and has absolutely nothing to do with fault or blame.
For Example: "I went into the bar (unconsciously) looking for a fight and got him to start fighting." or, "I goaded him, knowing full well he was full of anger, into hitting me," would be responsible statements.
The tutorial covers the subject of responsibility thoroughly.