Life is...

At age 4, success is...not peeing in your pants.
  At age 12, success is...having friends.
    At age 16, success is...having a driver's license.
      At age 20, 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 90, success is...not peeing in your pants.