An excellent book, Man''s Search for Meaning, written by Victor Frankl, serves as a useful guidepost in living but equally when playing on court.

When Andy Murray hooked up with Ivan Lendl to capture his two grand slam titles, he was working at the same time with a sports psychologist (the same one who had worked with Lendl years before) to improve his attitude - to improve his emotional responses to the challenges he faced (and still faces) on court.