Janet’s Law

When you’re 5 years old, a year is 20% of your life. And when you’re 50 years old, a year is 2% of your life. This is an explanation given why time speeds up as you age. It's called Janet's law. It states you’ve experienced roughly half of your perceived by life by 20 years old.… pic.twitter.com/Rg2ewhaR5F
— George Mack (@george__mack) February 22, 2026

I have no idea why people say that time speeds up as you age. Maybe they need to read more books to fill their lives with intense emotional and intellectual experiences if they have that problem.

I’m completely shocked that a year ago was just one year ago. It feels enormously longer.