As they mature and age, most men will develop a stronger jaw line or their facial bones will take on more prominence giving them a square or more squared shape.

随着年龄增加变得成熟，多数男人的下颚线更硬朗、或者他们的面骨会更显著。这使他们产生方形或较为方形的脸。

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Like many people, they become pregnant, develop health problems or take poor care of themselves, and end up out of shape.

CNN: The celebrity trainer approach to a more perfect body