Dean: If there is a greater power, why is it he can't get you a new sweater? Jamie: Because, he's too busy looking for your brain. - Nicholas Sparks

Emotions come and go and can't be controlled so there's no reason to worry about them. That in the end, people should be judged by their actions since in the end it was actions that defined everyone.

It made perfect sense, and at the same time nothing seemed to.

The reason it hurts so much to separate is because our souls are connected. Maybe they always have been and will be. Maybe we've lived a thousand lives before this one and in each of them we've found each other. And maybe each time, we've been forced apart for the same reasons. That means that this goodbye is both a goodbye for the past ten thousand years and a prelude to what will come.