Once a person accepts that Imam Mahdi (as) was born on 15 Shabaan 255 AH, his mind starts doing mental calculations to determine his age. And that is when the questions start to crop up in one’s mind – How can Imam Mahdi (as) live for so long? Is is humanly possible for a person to have such a long life? Are there any examples in history? These questions are valid and the answers to each of...