WOMEN
12/26/2013 10:53 am ET

When Are You Really An 'Adult'?

Kevin Kozicki via Getty Images

It's a train of thought that started with the simple question: When should you start buying anti-aging cream? When do you stop putting on eyeliner to look older, and start applying luminizers for a youthful glow?

Understanding the difference between girlhood and womanhood, especially when you feel like a kid at heart, is tricky business. It's an expansive gray area — maybe one that never truly gets resolved.

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