[Bullying. She takes offense to that, but it was... true.]

I told her the truth about... Joel, and why there's no cure. [More like she snapped and blurted it, but.] Now that I'm not hiding something huge from her, I'm not... worried about her somehow figuring it out and flipping her shit, you know?

[She just thinks Ellie is crazy for being so caught up on Joel, but that's fine. No one could understand. No one went through what she and Joel did--up to the very end.]