Here is what Biden said- (I have no idea what this news source is, I just googled and posted the first one up)
https://thepostmillennial.com/watch-biden-implies-children-as-young-as-eight/
"The idea that an eight year old child, or a ten year old child decides—'you know i decided, I want to be transgender. That's what I'd think I'd like to be, it'd make my life a lot easier'—there should be zero discrimination," said Biden.