It is, but it's really REALLY not. I'd bet that most everyone knows what they should be eating and doing to lose weight / be healthy. It's probably obvious to most adults. Some people just have conditions where they can NOT lose weight. And then there's the rest of us. We know it's that simple. We know we should not eat a bag of Doritos for dinner. We know a pint of ice cream is not a snack. But it's what our bodies crave, and fighting that takes energy and focus. And today we had a bad day at work. Today when we got home we had to fight with the kids to do homework. This weekend there's a big party and we're not ready. Next week there's a huge project due at work. Are we going fight the urge to eat a bag of cheese balls before bed? Nope, we just don't have the energy. We'll start next week, when there's not so much going on.
As simple as it seems to you, it's not at all simple for many MANY people. They need help, and they need support. And that's why Weight Watchers exists. Losing weight is somehow simultaneously very easy and nearly impossibly hard for most of us.