Is Quitting an Option?

I want to be very careful in ways someone may have interpreted my last comment of, you've got to be on the ground gasping for air with your last heartbeat before you quit. I wasn't saying that. What I really want to convey is that when you have a choice, you won't have a choice the next day, but you have the choice that day and make sure you're happy with it and you won't regret it tomorrow. Put yourself fast forward time till tomorrow. And if you're still happy with not finishing, perfect. But if you're on the fence and you're in the middle of it at the aid station and you're the only one that thinks you should