The before and after photos above show a woman at the exact same weight—163 pounds. However, the second photo was taken 11 months after the first, and shows her progress towards the fitness goal of becoming stronger. I'm taking three things away from this:

1. Man, the human body is capable of some impressive transformations.

2. She looks amazing in both photos.

3. Weight ain't nothing but a number! And a number ain't nothing but a number! Because according to the BMI, this woman is most likely overweight in both pictures. However, the BMI is flawed in many ways and perhaps it's best to let fitness and health experts (and your own body!) tell you exactly how fit you are.

Now, please excuse me: I'm headed to the gym because I need to start lifting immediatly. Well, right after I bench press this Nutella-filled croissant into my mouth.

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Laura Beck Laura Beck is a Los Angeles-based TV writer and frequent contributor to Cosmopolitan.com — her work has appeared in the New York Times, New Yorker, Jezebel, and the Village Voice.

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