If one sets aside time for a business appointment, a trip to the hairdresser, a social engagement or a shopping expedition, that time is accepted as inviolable. But if one says: I cannot come because that is my hour to be alone, one is considered rude, egotistical or strange. What a commentary on our civilization, when being alone is considered suspect; when one has to apologize for it, make excuses, hide the fact that one practices it—like a secret vice!