I think I am personally becoming a very toxic player and I need some advice

I like to play this game. I like to play this game with my friends. I win some, I lose some. However, I've been noticing that I've been tilting a lot harder than I used to before. I get angrier a lot more often. I get headaches and I think I become much meaner person even around my friends now. I feel like the best advice is to take a break but I also want to play with my friends and League basically is a default game. I want to know if there is an alternative way to relieve the tilt from league.
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