So, what's "real"? Children seem to know, spontaneously and implicitly. But by the time we hit college, many of us have forgotten.
"Living realities" are those things to which we are drawn with what James calls a "stinging" perception of personal need. What fails to sting in the appropriate fashion is, for us, uninteresting and unimportant (and relatively deficient in the reality we are prepared to accord it). Our sense of reality thus hinges on our capacity to be excited and engaged... William James's "Springs of Delight"(I can sell you a bargain-priced copy of this old book, if you'd like one.)