Availability Bias

As often heard, the simplest explanations tend to be the most likely, and the more difficult it is for us to imagine an outcome, the less likely it is. Any new information then tends to be processed by the prior judgements and speculations, making our justifications solidify in our minds.

Example: When a couple breaks up, the small problems or quarrels noticed earlier seems to indicate that the breakup was obvious and expected. The same problems were not highlighted by the brain if the couple was together.