I currently have a loss streak of 10. I straight up got deranked from Gold 1 to Silver 2. How can I regain a good mental state because right now I‘m broken. I don‘t know how to recover from this.

I have been told, that if I connect ms account with active game pass to riot account, I'll receive Sage buddy, XP boost and all agents. I did get the buddy although other perks are nowhere in sight. Could anyone explain?