To realize the value of a sister/brother,

                  Ask someone who doesn't have one.

To realize the value of ten years:

                  Ask a newly divorced couple.

To realize the value of four years:

                   Ask a graduate.

To realize the value of one year:

                    Ask a student who has failed a final exam.

To realize the value of nine months:

                    Ask a mother who gave birth to a stillborn.

To realize the value of two months:

                    Ask a mother who has given birth to a premature baby.

To realize the value of one week:

                    Ask an editor of a weekly newspaper.

 To realize the value of one minute:

                    Ask a person who has missed the train, bus or plane.

 To realize the value of one-second:

                   

  Ask a person who has survived an accident.

 To realize the value of a day:

 Try missing one!

To realize the value of a friend or family member:

                    LOSE ONE.