What did you learn from your Year in Review? Who's your Rival?

I had an inkling that this was my crux, and this confirmed it. She's normally a ban for me (although replaced by Zoe), but I've always struggled against her: https://i.imgur.com/sRJm42T.png I think this is definitely enough to declare her my "Rival" :-D How did you guys fare? Any cool stats or info to share, or learnings you made?
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