Running a startup, creating a startup, living a startup is freakin hard. I've done it multiple times before my trip through TechStars, and man, now that I've experienced (and continue to experience it, as not a day goes by that I don't talk to at least one other founder, a mentor, or an advisor) this way, I'm sold and happy I'll never have to go it alone again.
He sees it too. I hope for your benefit that if you're doing this, if you're trying to really start something (not just read YC) that you seek out others who are doing the same. It could mean the difference between your success or failure.