you guess when it was taken; guess how old the photo is and who is who. if you don't have a credit card you may pay by wire transfer, us check or cash. you’re going to love this series. that way you will know whether you can afford it or not and you will know what you are paying for it. it can then access that person's details and use them to suggest healthier options, recipes and meal ideas. but, i am going to do what i can because i can! after reading it cover to cover, he was hooked. 