How could I do that? How could I run away with you? How could I be with you knowing what I’d turn my back on, you know? Knowing that what I had in my head could help a lot of people. And you’re the one that taught me that - that being a spy is about choosing something bigger. It’s about putting aside your own personal feelings for the greater good. And that’s what I chose. I chose to be a spy for my friends, my family and you. I chose to be a spy because… Sarah, I love you.

Saying goodbye to Chuck one season at a time | Season 3