If two very different people pool their DNA, they'll create more genetic variety, and their young will come to the job of parenting with a wider array of skills. Helen Fisher Parenting
A hundred years ago, if you had a child out of marriage, you'd be a social disgrace. Today women feel comfortable enough economically and culturally to bring up a child without a recognized commitment from a man. Helen Fisher Marriage
Men have a psychological need to show off their courage and strength. When he sees you talking to another guy, that instinct kicks in and he jumps to protect you and prove he's worthy of your love. Helen Fisher Courage
There's a lot of talk about the positive aspects of love. We as a society downplay the danger, the anxiety, and the disappointment. We romanticize romance. Helen Fisher Positive
Romantic love allows you to focus mating energy. Attachment sustains that relationship as long as necessary to raise your baby. Helen Fisher Relationship
Jealousy can even be good for love. One partner may feel secretly flattered when the other is mildly jealous. And catching someone flirting with your beloved can spark the kind of lust and romance that reignites a relationship. Helen Fisher Jealousy
Your sweetheart calls you by another's name. His eyes linger too long on your best friend. He talks with excitement about a girl at work. And the fire catches. Jealousy - that sickening combination of possessiveness, suspicion, rage, and humiliation - can overtake your mind and threaten your very core as you contemplate your rival. Helen Fisher Work
When you're in the throes of this romantic love, it's overwhelming - you're out of control, you're irrational, you're going to the gym at 6 A.M. every day - Why? Because she's there. Helen Fisher Romantic
I think romantic love evolved to enable you to focus your mating energy on just one individual at a time, thereby conserving mating time and energy. Helen Fisher Romantic
Psychologists maintain that the dizzying feeling of intense romantic love lasts only about 18 months to - at best - three years. Helen Fisher Romantic
Romantic love allows you to focus mating energy. Attachment sustains that relationship as long as necessary to raise your baby. Helen Fisher Romantic