Re: My grandson did it too. We heard “actually” many times a day.
I think it’s a sign of intelligence. They’ve found a way to be heard without rudely contradicting us. It also shows they value preciseness.
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my grandson does it also. He’s absolutely brilliant. I like your take on it that they value preciseness. So true. I’ll never forget his dissertation on binary stars at the age of 9. Totally over my head though.