I figured out a new method that lets me enjoy LoL more. This requires another game, preferably a single-player game and keep it in the background so you can alt+tab in and out. For me, I use Diablo 3 and Skyrim.
If your LoL match isn't going the way you want, like someone afk's or is feeding hard, don't fret, don't get mad, don't rage chat. Just walk your champion next to a turret alt+tab into your other game and enjoy! Every 5 or so minutes, just alt+tab back into LoL and kill a few minions and buy some items. You can never get banned because you are still actively playing the game at intervals. DON'T WASTE 45-60 MIN OF YOUR LIFE PLAYING A GAME THAT CAN'T BE WON OR WHEN NO ONE CARES TO DO WELL. JUST HOLD OFF FOR THE NEXT WIN.
Go ahead and call me a troll. Better than wasting 60 min on a game that at 15 min, is already 1-9.