Most of us have experienced a moment when we realized we aren't as young as we used to be. Sometimes, it's an "aha moment" or it could be something someone says or an event that jolts us into reality.

AJ and Nikki asked you to tell us about the moment when you realized you were getting old. Here are some of your responses:

It's not too late to weigh in. Let us know in the comment section below or on our Facebook page.