[Dean watches Terezi hit her head once, twice, two more times after that. He knows the feeling all too well.

It's helplessness.]

Yeah.

[After months. After years of trying to forget. Pieces fade away. Fragments of memory are lost, feelings change. They warp and bend with time. You remember to suffer, but you don't always remember the reason behind the pain.

But he can't tell her that.

She's practically a kid.]

It'll be a while. And you'll wanna scream. Tear things apart, break 'em into pieces just 'cause you can. You won't feel the way you used to, because you're gonna be stronger if you ride it out.