Narwhal (narwhal)'s status on Thursday, 24-Mar-16 19:58:25 UTC
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@tiffany I know where I am 18 is usually the age you're leaving high school and starting college, so while I don't think that's the deciding factor it does mean that the age of adulthood coincides with that big transition period pretty effectively. But it's like some of the replies to Matt's post have already said, it's really just an arbitrary number and not everyone grows at the same pace.