... interrupts you when it's time Long-term companionship : slow loop observes across days "he's mentioned knee pain three times this week" and speaks up proactively, instead of waiting to be asked Practice partner : fast loop plays the counterpart, slow loop acts as the judge, cutting in to correct you at the right moment The common thread seems to be: conversation is just the interface the real value happens continuously outside of it. Conversely, pure chitchat doesn't need ...