“Eve,” the voice that sounded exactly like Charlie rasped. “She isn’t me…” Eve whispered, “Who— Who is this?” “Earlier, when I went to the h-house, I never—I’m still here. Whoever’s with you, she isn’t me— And the dog, it isn’t Shylo. Shylo is…” She trailed off.
So the dog's an imposter too? Aw I hope the real Shylo is alive. The switch had to happen after he got kicked by the teenager and ran off.