i read a book on jenny mccarthy how she struggleled with her son, she put in her book, their is a window to autisum, you only have so long to pull your child through into are world, please is this true ? if so how long is this window open for? its really pulling on my heart strings, my son will be 4 in days, jenny mccarthy son was 5 he was speaking a full sentance, he had medication, and diets, yet ive asked for this over a year ago still i havent got it, please some one help me,