Ambitious women are scary, right? Female leaders must do everything they can to avoid being perceived as pushy, aggressive, or competent. Comedian, blogger and vlogger Sarah Cooper's new book, How to be Successful without Hurting Men's Feelings, is a tongue-in-cheek guide for women to get ahead in the workplace. She talks to Róisín Ingle about the experiences that informed the book, people taking the title at face value and tips on how to make everyone know how hard you're working.