Striking that right balance is so hard. Sometimes you want your kids to reach the maximum potential that they can be, but realising that everything is a compromise when time is finite. It becomes a paradox of balancing the compromises on time spent on any one aspect of their lives.
Even after the educational system is over, underneath everything is still the same question of compromise, do you want to sell your soul for a career and more money, or make mediocre money and yet yearn for a better life with more financial freedom?
Happiness really is a hard thing to gauge, particularly when human beings are wired to always want that which we don't have.