this couple is an kpn commander of tonga's navy and counselor to king paul the 6th. >> for us, the mealthing to bring all the families together on the sunday sab badge. in the old days, our fathers and forefathers used uma to unite the whole family and we've kept that tradition up to now. although we have become richer now, and more developed, we still come together with the family on the sabbath. >> there's no obesity or obesity-related illnesses in the family. daughter is preg noont with her third child. >> i think we should go back and do the nowadays it's a good healthy food for me and my familiarly to have. i think it's a must, too much import, imported food, that's why ncds and obesities are happening here in tonga. too much imported food and canned food. that's the most dangerous food because we just have it right away, we don't cook it, we don't cook it if we're hungry we just buy it from the shelf, eat it raw. >> around the world, an estimated 600 million people are obese. the number has doubled since 1980. in the last 33 years, not a single country has been able to reduce its