IV The years between thirty-five and sixty-five revolve before the passive mind as one unexplained, confusing merry-go-round. True, they are a merry-go-round of ill-gaited and wind-broken horses, painted first in pastel colors, then in dull greys and browns, but perplexing and intolerably dizzy the thing is, as never were the merry-go-rounds of childhood or adolescence, as never, surely, were the certain-coursed, dynamic roller-coasters of youth. For most men and women these thirty years are taken up with a gradual withdrawal from life, a retreat first from a front with many shelters, those myriad amusements and curiosities of youth, to a line with less, when we peel down our ambitions to one ambition, our recreations to one recreation, our friends to a few to whom we are anesthetic; endi