What are the most interesting psychology facts about human behavior?

1.If someone call you again and again without any reason means they are lonely in life.

2. Selfish people are generally competitive.

3. People who want to gain respect, they will always show bad qualities of others.

4. People prefer a person who is straight forward rather than diplomatic.

5. People who take less sleep, eats alot.

6.Gossiping is other psychological condition where people want to gain attention.

7. Your choice of food will depend upon weather.

8. People who like orange color are joyful.

9. Most irritating feeling in a relationship is doubt.

10. You are more reactive when you are with your crush.

Interesting list! I'd add that music can influence our mood and behavior significantly too.