The Zeigarnik Effect
Bluma Zeigarnik · 1927
"The human brain remembers uncompleted or interrupted tasks significantly better than completed ones, causing lingering anxiety until the loop is closed."
Have you ever laid in bed trying to sleep, but your brain kept reminding you of an email you forgot to send? That's the Zeigarnik Effect. Your brain holds onto unfinished tasks, keeping them active in your short-term memory and causing stress.
Read more about the topic
Confirmation Bias: A Ubiquitous Phenomenon in Many Guises
"People systematically seek out, interpret, and remember information in ways that confirm their existing beliefs, while ignoring or discounting evidence that contradicts them — making it one of the most pervasive and hardest-to-correct biases because it operates on what evidence gets noticed in the first place, not just how it's judged afterward."