[Luz understood, especially from what happened with Varian, that going alone was probably the worst thing you could ever do. You almost always had to have back up.

Actually, she told Dipper this very thing].

To stop you from hurting people out of your control? The answer's pretty obvious, right?

[In other words, there was no way Luz was going to let a friend who already had gone through so much have to go through MORE].