They would have no security when they got older. That is where they will need their relaxation and securities the most. A person that works hard at the beginning , plays and relaxes at the end of their life. A person that plays and does not care in the beginning, will be uncomfortable and without security at the end of their life. Every one must put the efforts of working hard during their youth, so they can be comfortable when they get older.
Life is like eating the cucumber.
Eat the bitter end until you come to the sweet end, and the bad taste will be forgotten. Eat the sweet end of the cucumber all the way to the bitter end taste. The sweet taste will be forgotten and it will be very unbearable.