Sacrifice Quotes in Twilight

How we cite our quotes: (Chapter. Paragraph)

Quote #4

[Edward to Bella:] "Which is exactly why I should. But don't worry. I'm essentially a selfish creature. I crave your company too much to do what I should." (13.61)

Edward likes being with Bella too much to make the "right" sacrifice, which makes him feel selfish.

Quote #5

[Bella to Edward:] "You already know how I feel, of course," I finally said. "I'm here…which, roughly translated, means I would rather die than stay away from you." I frowned. "I'm an idiot." (13.127)

Is Bella being selfish or selfless here? Is risking her life to be with Edward truly a sacrifice on her part?

Quote #6

[Bella to Edward:] "Just follow the plan, okay? Keep Charlie safe for me. He's not going to like me very much after this, and I want to have the chance to apologize later." (19.12)

Bella sets a plan in motion to sacrifice herself for the safety of her family.