You can be furious about the outcome and still respect the process that made it.

Anger about a result and a clear view of how that result happened can sit together. People usually collapse the two, because being furious is easier if the whole thing was a sham. A fair process can still produce a decision you hate, and admitting that is harder than calling it rigged. Holding both keeps you honest without requiring you to pretend you are fine about it.

Separate them the next time something goes against you. Write down what you are angry about and, underneath, whether the process itself was genuinely unfair. If it was not, you have saved yourself an argument you were going to lose.