Functional Families function well because they have the emotional power to do so.
With enough emotional energy a family is able to function as well as it is able to choose to.
Emotional power is not the product of money & riches but the consequence of emotional wealth.
Emotionally wealthy families do not have to be materially rich.
Historically, many apparently materially rich families have been emotionally impoverished & dysfunctional.
Whereas children do need the physical comfort and security of a roof over their head and food in their stomach, their primary needs are to be emotionally nurtured to ensure that their emotional needs are always met; in order for the family to function well.
The key to a society having fully functioning families is the emotional intelligence of the parents.
How well a family functions is directly relative to the intelligent awareness of the emotional needs of all of the family members.
In the absence of any conscious awareness of their emotional energy needs, families will function by default rather than design; which makes the possibility of dysfunctional families an inevitable consequence of modern life.