Ratzepaltuff

After Joel told Ellie he would've still done it all over again; I think that was the first time Ellie fully realized that his love for her was eternal. She always knew he loved her, of course. But I think that up to this moment, she just wasn't fully aware of how much.

This look on her face here is a look of harsh realization. Peering into his eyes at this moment, Ellie saw nothing but love.

Because even after all those years of losing her due to his actions, he'd still choose to go through with it all over again just so she could have a life; even if it meant for him not to have her in his. That is pure love.

I love that tear because you’re right. Is he mourning his own impending death? Is he mourning the fact that she has to leave him, or that she is? Is he mourning the fact that the only way he could get her to go, to save her, was to push her away, and the last memory she’ll have of him is something rejecting? - Craig Mazin

But then I realized.

The blue clouds are for Vander, Mylo and Claggor's deaths.

And the violet bullets then...