2. People have cognitive dissonance... basically conflicting ideas/thoughts in their head!
The Number Game

I already did second one... come on

4. The 4 things that should be the base of your life; Science & Philosophy + Peppa pig & Comrade @ChampoftheCommieCamp
Easy game. Post anything in numerical order.
For example:
9. There used to be 9 planets
10. You have 10 toes
11. The 11th month is November
12. There are 12 eggs in a carton
13. Just like Friday the 13th
14. This is the age when you are Freshman in High School
etc...
Okay I'll start
1. All humans are born with 1 heart