That'd get him a two-fer....pretending to be a girl, and a politically correct empowered one, at that. They'd likely make him class president.
/s On a non-sarcastic note, I hope that your grandson is doing OK, and realizes that it's not him, it's them.
We try,
but it is tough to explain to an 8 year old that it is
OK to behave one way in one situation but
not OK in another situation.