By Emma Spencer, Science & Technology Reporter

We’ve all done it. Something frustrates us and we vent. We complain to friends, replay the problem in our head, or scroll through more of the same negativity. It can feel like we’re releasing pressure.

But what we’re actually doing is training our brain.

The brain is highly responsive to repetition. Every time we focus on what’s wrong and dwell on it, we strengthen the neural pathways that make those thoughts come easier next time. Over time, complaining stops being just an occasional release and becomes a default pattern. We get faster at spotting problems and slower at looking for solutions. We start seeing ourselves more as victims of circumstances than as people who can respond to them.

This isn’t the brain secretly working against us. It’s us teaching the brain what to prioritize. We are the ones directing the wiring through what we repeatedly think about, talk about, and consume.

The encouraging part is that this process works both ways.

Just as we can train our minds to stay locked on problems and helplessness, we can also train them toward solutions, personal responsibility, and forward momentum. The same mechanism of repetition that makes complaining feel automatic can be used to build new habits of thought. Reading better material, having different conversations, and deliberately shifting focus after we vent are all ways of giving the brain new instructions.

This is why small, consistent choices matter so much. Your brain doesn’t decide on its own what kind of thinker you become. You do — through what you feed it every day.

Complaining isn’t the real enemy. Letting it become the main way we process life is. And the good news is that we have far more control over that than most people realize.

You are not stuck with whatever mental patterns you’ve built so far. You built them. And you can rebuild them.