A medical doctor has this observation framed ;

summarizing the cycle of life :
Life is graded on a curve:
At age 4, success is not peeing in your pants

At age 12, success is having friends

At age 17, success is having a driver’s license At age 25, success is having sex

At age 35, success is having money

At age 50, success is having money

At age 60, success is having sex

At age 70, success is having a driver’s license

At age 75, success is having friends

At age 80, success is not peeing in your pants