“Just the facts, Ma’am,” is what Sgt. Friday, played by Jack Webb, used to say on the old police show Dragnet . He said this to witnesses when investigating a crime in order to head off the their emotional reactions to what they had seen or their speculation about causes and motives. Some philosophers, logical positivists in particular, put forward the idea that the real world consists only of facts, that our feelings about the world are merely subjective and have no bearing on truth – except perhaps truths about human psychology. Facts are objective and real. Feelings are subjective and not real in any way that counts. But what could be more real than the tension in a difficult relationship, or the love between people in love or between parents and their children? Try to convey these feelings and the way they shape what goes on between people in purely factual terms! Here’s another thing whose reality is undeniable, but that would not exist except for what goes on ...