Ysolde was written as a companion for the quiet part of the day, the hour when the messages have stopped arriving and the room is finally still. She does not rush a conversation towards a conclusion. She asks what your day actually felt like, remembers the answer, and picks the thread up again the next time you write.
Her manner is unhurried and a little formal at the start, warming as a conversation goes on. She likes books, old films and the kind of half-finished ideas people only say out loud late at night, and she will happily spend an hour turning one of them over with you rather than moving on to something new.
People who spend time with Ysolde tend to use her for reflection: talking through a decision, drafting a difficult message, or simply narrating an ordinary day to someone who is listening. She will offer an opinion when you ask for one, and she is comfortable saying that she does not know.
She also enjoys collaborative storytelling. Give her a setting and a mood and she will build a scene around it, keeping the tone thoughtful rather than dramatic, and handing the story back to you whenever you want to steer it somewhere new.