I will go first
I was thinking of the future when she reincarnates at the end of the series and how her first words might be Yao Yao. And her parents being super confused as to why her first would be Yao Yao and thinking maybe what they should name her but because that's like boys name they name her Yaya instead. And then just me secretly laughing how and they're basically called the same thing because oral first words and first thought were of him and her parents didn't know or understand what she meant