The time of a human being starts from the time he is born until death and no one has control over that. In most cases , from the age of 20 years to 65 years that is the working age where you have the energy of engaging your yourself for something productive in life and after that age now your body is tired and you wish you were young again. People regrets after they have passed a certain stage in life because of either lack of knowledge or not being disciplined. Always remember that every second in your life matters. can you count what you have achieved and say it is worth it?