Why is love intensified by absence?

- Claire Abshire, The Time Traveler's Wife by Audrey Niffenegger.
"Don't you think it's better to be extremely happy for a short while, even if you lose it, than to be just okay for your whole life?"
Clare is married to Henry, a guy who suffers from Chrono Displacement Disorder -- he travels through time, he disappears, and reappears in different stages of his life, and Clare's.
I don't think I can do justice to the trailer [or of the book for that matter]. You gotta watch it. You gotta feel your heart rip to the sound of Lifehouse's "Broken."
I can't wait to see this.