That's how most people I know were raised in the US, too. As an adult, I've consciously tried to move away from this attitude, because it leads to obesity. It's

That's how most people I know were raised in the US, too. As an adult, I've consciously tried to move away from this attitude, because it leads to obesity. It's especially problematic in the South, where I'm from, given the absolutely massive portions that are traditional there. (And it shows in the pervasive obesity of the population.) My rule now is that I stop eating as soon as I'm full. It's sometimes a struggle to make myself follow it, though.