I’m 53 years old. I’m 36 in my head. The Puzzling Gap Between How Old You Are and How Old You Think You Are. | Physical and Mental Health - Exercise, Fitness and Activity | Scoop.it
There are good reasons you always feel 20 percent younger than your actual age.

 

Adults over 40 perceive themselves to be, on average, about 20 percent younger than their actual age.