To leave behind a minutely engraved and intricately tinted plan, to be compelled by adult practicality to leave it behind unfingered, seems one of the disadvantages of childhood. How many shadows of broken desires must haunt and flicker among the shadows haunting and flickering in streets and lanes and cul-de-sacs children glimpsed, and yearned to walk to the end of, and never did. To be offhandedly presented with another, a newer, differently embellished plan is one of the advantages.