People
She had no need to ask why he had come. She knew as certainly as if he had told her that he was here to be where she was.
— Leo Tolstoy • Anna Karenina

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Some arrivals need no explanation. She understands why he's appeared with the certainty of being told, because his presence is the message: he came simply to be near her. The line captures wordless recognition, where a person's motives feel obvious.
Context reviewed