" There are times you run off a cliff. It is like one of those Looney Tunes cartoons, where Wile E. Coyote sprints really hard and he’s still running even though he’s already gone off the cliff and then he stops and looks down and knows he will plummet and that there is nothing he can do to stop it. But sometimes, maybe most times, it isn’t that clear. It is dark and you are near the edge of the cliff but you’re moving slowly, not sure what direction you’re heading in. Your steps are tentative but they are still blind in the night. You don’t realize how close you are to the edge, how the soft earth could give way, how you could just slip a bit and suddenly plunge into the dark. This "

― Harlan Coben , Hold Tight