Mostly, I am disappointed in the human race for the extreme discrepancy between how things could be and how they are. The craphole we live in today is certainly a long way from the bright visions of the 21st century I was presented with as a kid.
If we could institute a new social order in which childless couples are seen as virtuous and highly respected, couples with one child are seen as average, and couples with two or more children are seen as pariahs, there would still be a chance of creating an earthly paradise.