Humans are weird - which is why we need to begin to have an understanding of our own - Cognitive biases.

Take a look at this wikipedia page - a List of Cognitive biases.

https://en.wikipedia.org/wiki/List_of_cognitive_biase

Exhausting isn't it !

Lets just zoom in on just a few of the most common ones.

This article is well worth a read.

Most common Cognitive biases.

https://medium.com/@Angy_Stallone/the-most-common-cognitive-biases-9499bbbf97c7