"The word “warrior” is not added lightly. A warrior makes himself aware of the barriers to achieving his purpose. Then, rather than focus on what is standing in his way, a warrior focuses on how to get past those barriers. Which is exactly what he’ll be teaching his children."

"Divorced men are almost ten times more likely to commit suicide than divorced women from similar backgrounds."

"In a study of more than twelve thousand teenagers after divorce, children living with single dads fared better than children living with single moms."

"Two-parent stability trumps geographical stability."

"Children express intense dissatisfaction with the traditional arrangement of every other weekend."

"Parenting plans should be consistent."

"If female-to-female teasing and hazing does occur, as in Mean Girls, it signals that the woman being teased and hazed is on the outs, not that she’s being vetted for inclusion."

"Especially in the military, hazing helps recruits amputate each other’s individuality because the war machine works best with standardized parts, not with people who say, “I’m special.”"

"Married couples who tease each other during conflict feel more connected and happier after the conflict than those who criticize in a straightforward way."

"Among guys, if you can’t tease ’em, you can’t trust ’em."

"The trading of wit-covered put-downs is boys and men training each other to handle criticism, unconsciously knowing that the ability to handle criticism is a prerequisite to success."

"The exchange of wit-covered put-downs is boys’ and men’s unconscious way of training each other to handle the criticism it takes to become successful."

"When Martin teased, he taught Maggie and Marty Jr. to interpret the meaning of a twinkle in his eye, slight alterations of his voice, shifts in his facial expression."

"Playing with dad is like being on a roller coaster—kids are excited because they feel safe."

"Working from home requires self-starting. And children raised with poor boundary enforcement rarely master the postponed gratification that self-starting requires."

"Empathy is a virtue which, when it only goes from parent to child, and is not required of the child, becomes a vice."

"Teaching a child to treat boundaries seriously teaches him or her to respect the needs of others."

"“My mom warns and warns; it’s like she ‘cries wolf.’ My dad gives us one warning, and then he becomes the wolf.”"

"While the Moynihan Report identified the quarter of black children born outside marriage as a crisis with a solution in 1965, today the percentage of white children born outside marriage is 36 percent."

"The Moynihan report concluded that in a majority-black community the main predictor of growing up poor was not race but being born to parents who are not married. Why? A predictable outcome of no marriage was no father involvement."

"Half of children born to mothers under thirty were born outside marriage."

"When unmarried couples live together when their child is born, by the child’s third birthday, 40 percent of those children will have no regular contact with their dad for the next two years—between ages three and five."

"Not one daughter who had a good relationship with her biological father had a baby before the age of nineteen."

"When children in homes with less income and more father were compared to children in homes with more income but less father, there was no difference in the rates of violent crime."

"Students coming from father-present families score higher in math and science even when they come from academically weaker schools."

"Father absence is not just correlated with negative outcomes but actually causes negative outcomes."

"Even when race, education, income, and other socioeconomic factors are equal, living without dad doubled a child’s chance of dropping out of high school."

"The gender gap in education might really stem from sons’ greater vulnerability to father absence."

"The gap in sentencing is six times greater for men versus women than it is for blacks versus whites."

"When he is convicted, on average your son will receive a 63 percent longer sentence."

"Prisons are centers for dad-deprived males—boys who never became men."

"The desire to be a father begins in the son, who sees in his own dad who he could become."

"Father involvement is an underused resource in the family in the same way that female involvement has been an underused resource in the workplace."

"The absence of Dad creates the presence of government."

"Careers are for Now, Children are Forever."

"After divorce or loss of a father, both girls and boys experience unhappiness, but especially with divorce, girls’ grief eases within a year or two, while boys’ does not."

"And when boys are hurt, they hurt us—physically, psychologically, and economically."

"Dads—like moms, air, and water—are essential to our lives."

"The boy crisis cannot be solved, then, without addressing the most important single crisis in developed countries: dad-deprived children, and especially dad-deprived boys."

"In the traditional male hero’s hierarchy of needs, self-actualization is nowhere to be found—because the more he values himself, the less he is willing to sacrifice himself."

"The traditional male hero is about self-sacrifice, not self-actualization."

"The motto for the evolved boy is “When the going gets tough, tune in to know when to tough it out.”"

"When your son participates in individual sports, plus both organized and pick-up team sports, he will be experiencing sports as a boy-friendly liberal art."

"Pick-up sports are excellent preparation for entrepreneurship."

"Exercise helps build the muscle of a child’s brain even more effectively than studying."

"While your son’s internal security is most likely to be enhanced by the hands-on involvement of both parents, even one conscious parent can lead the way."

"We interview people who are extraordinary successes, so they are visible. We ignore people who create a balanced life, so they are invisible."

"A key measure of emotional intelligence is knowing that every virtue taken to its extreme becomes a vice."

"Boys who are not interested in school almost always have an interest that can be catalyzed into future employment if it is pursued via hands-on experience."

"Should your son follow his bliss, it’s most likely the money he’ll miss."