 But it does work on the majority of people within two to three months, and we've had people lose 20 to 30 pounds or two to three pant sizes within the three months. Well, that's incredible. And my goodness, for Judy at the age of 70 to lose weight really is good news for anyone of any age to give them hope at any age. Why is it generally harder, Carla, for people to lose weight as we get older? Tell us about that.