The Mask of Masculinity by Lewis Howes
https://www.amazon.com/Mask-Masculinity-Embrace-Vulnerability-Relationships/dp/1623368626

Everybody wears a mask at some point in his or her life. According to studies, over 80% of adults struggle with the impostor syndrome, right now. The personal growth industry and self-help subculture can sometimes cloak the raw, honest, reality that haunts us all. Feelings of worthlessness, not measuring up, and pretending…these emotions infect everybody—including successful entrepreneurs.