To realize The value of a sister: 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 still born. To realize The value of one month: 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 hour: Ask the lovers who are waiting to Meet. 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 one millisecond: Ask the person who has Won a silver medal in the Olympics. To realize the value of a friend: Lose one.