Insane losing streak

https://preview.redd.it/2few61ofc5oe1.png?width=855&format=png&auto=webp&s=783e39cb929a2b78367e47cad53ae6a41a150676

This is the longest losing streak I've ever had. I'm not sure what I'm doing wrong. Should I blame myself, my team, or Riot? What can I do to improve?