Am I cursed?

xtheannax - Summoner search results - League of Legends
xtheannax / Silver 5 75LP / 153W 150L Win Ratio 50% / Janna - 23W 12L Win Ratio 66%, Teemo - 13W 13L Win Ratio 50%, Ashe - 8W 16L Win Ratio 33%, Vayne - 13W 7L Win Ratio 65%, Jhin - 9W 9L Win Ratio 50%
Look at this and tell me I'm not cursed or something, I think after the last game I'm really thinking about leaving the game forever, went from s2 to s5 in 2 days, I kinda feel frustrated because of 13 lost games in a row... Can you guys write some positive things in the comments or maybe some advice for the game? ^^
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