My Son is 10 & he knows that i’m just gettin bigger boobs lol!
My Daughter is only 2 though so not old enough to understand though i know she’ll notice lol,
When she is old enough though i think i will just tell her straight as if she finds her in the same situation years down the line i’ll support her 100% if that’s what makes her happy 🙂
Good luck with you’re BA today anyway Hun, hope it all goes well! Xx