I’d say that this problem is being exacerbated by the grandmother. The girl would probably do well dressing and acting like a girl if gramma would step aside.
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By unkind, I mean...suppose, suppose the parents were killed in an accident.
There was a boy seeking to become a girl whose story was on “Dateline” and at one point the young boy expressed doubts about “transitioning,” and his mother admitted to being crushed and siappointed, although she’d said she had not liked the whole idea at first.