Should there should be a new term, "age fluid" or "trans-age? I was reading the CNN article from 3/30/23 about the Nashville shooter and it seemed to imply that age confusion may have been a factor.

When they try minor defendants in the USA as “adults,” aren’t they saying the kids aren’t what the seem to be, that they aren’t actually their chronological age? “Young at heart,” an “old soul,” saying the same thing....