You have to let your team get all the credit for all the good stuff that happens, and you take responsibility for the bad stuff.
In YC experience, 2 or 3 co-founders seems to be about perfect.
Unpopular but right is what you're going for.
... We probably funded a rate of something like one out of ten solo teams.
Most founders have not managed people before, and they certainly haven't managed managers.
When it comes to starting startups, in many ways, it's easier to start a hard startup than an easy startup.