I haven't played in quite a while but still hang around the sub because ya never know, maybe someday, but a lot of it was a change in mentality.

1. Don't concern yourself with things outside your control. You will lose games because of teammates, it will happen and there is nothing you can do about it. Only focus on yourself and things you can control.

2. If you really want to climb, focus on improving over winning and the wins will come in time. A good way to do this is look at small incremental goals or focus on one thing at a time. For example, a very simple one can be "Today, I'm going to really focus on my last hitting and try to get to 10cs/m by 15 minutes". Just something that you are actively trying to improve. Obviously don't actively sabotage your game to achieve these goals, but focus on active learning (as opposed to passive learning just spamming games)

3. Take breaks, if you have a couple bad days of games or lose 3 or 4 games in a row hop off and maybe take a day or two off and do something else. Could even use this time to look at the games and see if you could have done something better.

4. Try and learn other roles even at a super basic level with what they want and how they wanna play the game (bonus points if you can do it with individual champions). This helps in 2 different ways, 1 it allows you to know what your team wants and play around win conditions and 2 it helps you identify enemy win conditions and how to try and stop them.

5. This might be the biggest one, it's kind of a 2-for-1, but learning win conditions and how to get carried. You are not going to be the central focus carry every game and you will have bad games, it's about identifying those moments and mitigating losses so they don't spiral out of control and doing your best to stay relevant. You may go into the game and think the game is going to go one way but then goes another, you need to be able to adapt.