What is the fine-grained topic of the following text: So when S. calls for the first time in weeks to wish him for the New Year, her voice crisp (and he cannot help picturing her lips and tongue forming each syllable, movement by tiny movement), he hopes, for few precious, misguided seconds, that either she wants to come back or he will live through it all, but the illusion shatters as his own words burst out, uncontrolled, uncontained, untamed, a flood of words of which he later has no recollection, he only remembers that ten minutes into the phone call -or maybe an hour, he cannot really tell- S. whispers that she is sorry, so very sorry, her whisper barely audible, and then she hangs up and his numbness is gone. Only return the topic.
The fine-grained topic of the text is a phone call between an estranged couple.