The essence of doing a startup efficiently is learning how to get leverage on your time. Having a family makes that non-optional from a company point of view,

The essence of doing a startup efficiently is learning how to get leverage on your time. Having a family makes that non-optional from a company point of view, and you have to learn to find the ways to get similar leverage on a family front. Maybe you want to be there for bedtimes but don't mind a nanny doing the driving to school, for example.