But “success” is a fleeting metric, is the point. In your meth use example, the addiction and codependency are due to a physical dependency. Child-rearing is a

But “success” is a fleeting metric, is the point. In your meth use example, the addiction and codependency are due to a physical dependency. Child-rearing is a choice, not a physical addiction. Can’t compare apples and oranges. Happiness is measured in happiness. We can also measure health. But “success” is too subjective to matter as a useful metric.