Your 30s can be one of the most powerful decades of your life. You have more clarity than your 20s, more experience, and often a stronger sense of identity. Yet many women unknowingly carry habits or beliefs that hold them back from stepping fully into their potential. Here are some common mistakes women in their 30s make and what can be done differently. Mistake #1: The “Forever Young” Wardrobe Trap There is a fine line between “youthful” and “juvenile.” In your thirties, yo