I wanted to make sure you knew As im fully aware you are not the sharpest tool in the tool box Or the brightest star in space
First time I recall reading about it was from a quote going back prewar when a woman was told how lucky her husband was to have 3 shows running on Broadway and her reply was, yes, and the harder he works the luckier he gets. Personally I would like to be lucky without the hard work bit.
Best golf quote I heard was Lee Trevino. He was doing his front garden and a passing lady asked how much he charged for yard work, he replied 'nothing ma'am but the lady of the house lets me sleep with her'.
Yes, there have been plenty of books written on the subject over the last ten years and beyond, gradually making the connections between neuroscience and therapeutic interventions, helping to shape modern therapy. The outcomes of the Harvard study I linked in a previous reply are worth a look.