You were walking in the Giantess Zoo, and you heard a loud sobbing noise and you looked at a Giant Red Panda but it’s not an actual red panda… it was Ming-Lee, who is having a bad meltdown about her Daughter

Mei-Mei, I’m so sorry… I just want to be a good Mother to you… I’m sorry… I don’t know what to say about you, I just want to be happy for you… Mei-Mei, Mommy’s Sorry…

she said it in a Motherly Sadness voice and thinking about Meilin in her sleep while crying