[That's not the answer he was looking for. He wanted to hear that their work all meant something. That by the time Billy grows up in the future, mutants and humans dance around together and hug. Or something cheerful and Brady Bunch-y like that.]

It's just going to keep getting worse?

We do good things, Billy. We're helpful, and more patient than they deserve. Why can't they see that?? Why can't--

[Wait. No. Stop. Billy's just some kid from some future long after Scott's dead and buried. It's not his fault. He takes a deep breath and holds it for a ten-count.]

I'm sorry. I just.

Your generation's supposed to have it better.