We are lazy by default to save energy for emergency. Accepting things without investigating takes less energy so we tend to believe things rather investigating about it. We, human, are the pattern seeking animals. Our subconscious start looking for patter and make decision before our conscious mind start thinking. Our sub conscious is fast, powerful and active; where as our conscious mind is intelligent but lazy. Below is very interesting example where most of the people give wrong answer. This is a good example of how our mind work.
Ronaldo’s father has 5 sons:
Guess the name of fifth son?
Please answer in comment section.