Decades of studies and hundreds of pages of scientific evidence point to one conclusion that sounds crazy, but it absolutely works: If parents back off the pressure and anxiety over grades and achievement and focus on the bigger picture—a love of learning and independent inquiry—grades will improve and test scores will go up.
If you are into sports check out The Score Takes Care of Itself:https://www.goodreads.com/book/show/6342995-the-score-takes-care-of-itself. The same underlying premise: focus on the process and the results will come.