The fact is that I want my co-founders number one priority to be the startup and the cold hard facts are that that isn't possible for most new/expecting parents

The fact is that I want my co-founders number one priority to be the startup and the cold hard facts are that that isn't possible for most new/expecting parents. If we need to fly to New York or spend a week prepping a deck or taking care of some emergency, I need to know they can do it on a moment's notice. Now, maybe this isn't true for some startups, especially if you have a lot of co-founders, but certainly in 1-3 person startups, there is more work than there is time in the day and I just don't see how someone who is getting little to no sleep every night can possibly keep up with it.