"Winning and losing apply to everything in life" is nonsense. As well say winning and losing apply to nothing in life. Certainly learning to lose is probably a

"Winning and losing apply to everything in life" is nonsense. As well say winning and losing apply to nothing in life. Certainly learning to lose is probably a good thing when you are a youngster, but "everything in life" sounds miserable to me, and perhaps only reflects your worldview, and is not in fact an absolute as you suggest.