You need someone who has a really good way of enabling trust in the cast and crew, or the cast particularly, to allow them the confidence to stretch themselves to get the performance that you're going to need to provide all of the emotional up and downs in the film.
Nicholas Sparkslove wasn't possible in just a couple of days. Love could be set in motion quickly, but true love needed time to grow into something strong and enduring. Love was, above all, about commitment and dedication and a belief that spending years with a certain person would create something greater than the sum of what the two can accomplish separately.
Nicholas SparksIt was a life, she eventually concluded, that had been lived in the middle ground, where contentment and love were found in the smallest details of people's lives. It was a life of dignity and honor, not without sorrows yet fulfilling in a way that few experiences ever were.
Nicholas Sparks