She doesn't know about everything Asriel's done. Everything Flowey's done. Regardless, they wince, and glance away, and all they can do, all they can do is torque the words bubbling in their gut toward something that's theirs. Not his.

They've told enough people his secrets.

"No. Because they're yours."

Because they're her children.

They're a family.

And Frisk knows better than to impose.