i know what you mean. My daughter is 9 this year but she still believes in Santa. Probablty due to the threat that if she misbehaves Santa won't come.
I know it sounds odd, but with my son having his speech development disorder though in terms of intelligence he isn't behind his age group, in some ways his behaviour is and when I say that I mean he is still more kiddy than an almost 5 year old should be. He still does things that "normal" kids his age don't do. So basically it has been a blessing in disguise as he isn't "growing up" so quickly.
Saying that on his assessment he in certain areas he was ahead of his age group.
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