If rooms act as sealed, incommunicable souls, then windows are a kind of bridge between them, and so Septimus’s means of suicide becomes a kind of desperate act of communication. The old man across the way reflects Clarissa’s old woman in the window, but the old man is leaving the privacy of his room. Septimus also leaves his privacy even as he sacrifices himself to preserve his agency and individuality. The quote from
Cymbeline appears again. Septimus’s last words show that he is making an “offering” of his death – no one is taking it from him – just as Clarissa’s parties are an offering.