In our culture, our instinct is to fill the bowl.
We get used to having a coffee that nearly reaches the rim, or a level of debt that's just below our credit limit.
If you want to do less of something, then, get a smaller bowl. It's the simplest possible hack, but it truly works.
And if you want to do more of something, the path is just as obvious.
If you have your bank automatically siphon off $10 a week to savings, you'll discover that your checking account balance doesn't change so much.
And if you put a smaller scoop in the bin, you'll take less every time.
Often, the real problem isn't what we have, it's how big our bucket is.