Even the strongest teams and closest friendships run into disagreements. That is normal. What actually matters is how those disagreements get handled, and most people default to the same pattern every time without really choosing it.
There are several recognisable ways people tend to respond to conflict. None of them is automatically wrong, but leaning on the same one every single time, no matter the situation, usually causes problems eventually.
This section walks through those patterns, why the choice actually matters, and which one is usually worth the extra effort for relationships you care about.