Almost plat 3 to plat 5 0 lp

I admit all my mistakes, but I also admit main cause of all this dropping has been certain things..things such as - example (from my last game that got me to 0lp):

kass top - 0 words said all game, top 99% of time, fed early morg/braum late game: teling each other and rest of team "fuck you fucking insert name here c*n t" All vs a fun leona/fed gp/fed MF comp

I really need to take a break