Age plays an important role in our lives. It signifies our level of maturity and the experiences we have gained throughout. Some can be in their golden age and still be ‘young at heart’. While others can be half as young and have the wisdom of a monk. Of course, age is just a number but numbers can be important.

Here’s a test for you. Look at the image below. You’re about to find out your mental age, which refers to the actual age of your brain.

見えた犬の数で精神年齢がわかるという面白心理テスト（占い）
以下、ソース
http://karapaia.com/archives/52274661.html

ええやろ