She understood the isolation of privation. Xuan Shi had let her see a glimpse of what it was to be alone even when you had a seat at the hearthfire. Zeqing had shown her how to be alone even as you strangled the life from the ones you embraced. Now, the Weeping Mother of Lonesome Streams showed her another facet of the truth of Isolation.
Ones own self could isolate just as effectively as anything external to you, the choices of others, material circumstances… if you chose not to be helped, chose despair, even when escape stood before you, no one's hand could ever reach you.