LP Gain Vs. Loss

So I have been hard stuck S5 for the past MONTH, and that is only due to the shitty LP system Riot has rigged. I can win a game (carry or not) and only get about 12-15 LP. Now imagine me winning three games in a row, when I lose, I lose about 23-27 LP. How is it fair to me and other players trying to climb, that we have to literally win 8+ games in a row to even scratch the ladder... It's a complete joke of a system. I don't feel I nor anyone else should have to waste their perfectly good time try harding to win all of these games, just to lose one or two and lose about or more than 50+ LP. I know Riot won't look at this or even give a damn, but it's really tilting me. Riot always says have good sportsmanship yet they lock us into some BS like this. Riot is just a bunch of