Ask HN: single founders – how do you do it?

I've been full-time on my startup for about a year now, and though I'm getting the hang of the wild ups-and-downs, it can be exhausting to bounce from client-side to backend to design to marketing to press. When you're faced with a bunch of rejection on top of all the stuff you normally have to do, how do you keep going? And if/when you burn out, how do you recover?