15 psychological facts everyone should know

Discover fascinating human behaviors and intriguing insights with these curious facts. From forming daily habits to the impact of eye contact on emotions, these snippets offer a unique glimpse into the complexities of human nature. 

1. Developing a daily habit typically takes around 66 days for the average person.
2. The eye pupil dilates to 45% when looking at someone they love.
3. Food prepared by others often tastes superior, even when using the same recipe for comparison.
4. A single negative comment can overshadow at least five positive memories.
5. Studies suggest that consuming preservative-free food can increase IQ by up to 14%.
6. Men may make more jokes than women and are less concerned about others’ reactions to their humor.
7. Shy individuals reveal little about themselves, creating a perception of familiarity in others.
8. People in blue rooms tend to exhibit higher productivity levels.
9. Being alone can have more significant effects on health than commonly believed.
10. Relationships formed between ages 16 and 28 have a higher likelihood of being strong and long-lasting.
11. Having a plan B can reduce the chances of success for plan A.
12. Being happy around others contributes to overall happiness.
13. Convincing yourself of having slept well can influence your brain’s belief in it.
14. The type of music you listen to can shape your worldview.
15. A hug lasting longer than twenty seconds releases hormones that foster trust in the person hugging you.