Расшифровка анкеты Дюкана

Девочки, помогите

прошла я этапы анкетирования по расчету вес, и пришел мне ответ типа у меня все норма...бла-бла и потом я не смогла превести:

And to my mind this service is so vitally important that I insist that following it "FOR THE REST OF YOUR LIFE" is more or less free of charge: only one GPB per week. The service is your watch dog, giving you warnings, a series of ever increasing counter attacks, information, tips for the long term; we have thought of everything to prevent weight going back on again and to take immediate action if ever your weight stops being stable. And this is meant in particular for all those people who like you have not yet got drawn into constantly following diets where the battle is lost before it's even started.

чего 1 раз в неделю??