We hold ourselves back in ways both big and small, by lacking self-confidence, by not raising our hands, and by pulling back when we should be leanin… - Sheryl Sandberg

The number of women supporting families on their own is increasing quickly; between 1973 and 2006, the proportion of families headed by a single mother grew from one in ten to one in five.31

In companies, nonprofits, government, and the military, he finds that the more people believe their jobs help others, the less emotionally exhausted they feel at work and the less depressed they feel in life. And on days when people think they’ve had a meaningful impact on others at work, they feel more energized at home and more capable of dealing with difficult situations.

Aggressive and hard-charging women violate unwritten rules about acceptable social conduct. Men are continually applauded for being ambitious and powerful and successful, but women who display these same traits often pay a social penalty. Female accomplishments come at a cost.