Biggest Losing streak (G3 to g5 with s3 mmr)

The title, I've even kept a list of my recent mistakes https://docs.google.com/spreadsheets/d/1avDw_b424MD2ftR6n5860ZWI_IKX4Ot3avbLcLz3EYs/edit#gid=0

I just feel like I'm missing something i used to have

IGN: Seo Jinki

Can someone help me?