Why care? Let that question sink in before continuing to read.
Okay. Ready? Seriously. Why care? More importantly, why value your self worth based on a game? When you play, do you have fun? If not than maybe you need to get your life values in order, or find another game.
I honestly hate winning too much. Really, I do. There's no lesson to be learned. An occasional win is nice, but I like losing. In a loss, there is an assessment to be made. Why did I lose? How did I lose? What did they do better? Ect. Luckily, we have theater mode which shows all.
Some people are just good, others (like myself) need to git gud. The only way to do that is to try and fail, try and fail, try and fail only less and less each time.
If stats are really your endgame, then stop focusing on the end result as the end all, and start focusing on your stats specifically. This really applies in team based games, where your team may have lost but you may have ended up being the top of your team. I've even seen the top person on the losing side get MVP in the old days.
My point? It's not about win or lose, it's personal development of your skills that should matter.