Helen Fisher said this quote

Men don't need linguistic talent, they just need courage and words.

~ Helen Fisher

Men with high baseline levels of testosterone marry less frequently, have more adulterous affairs, commit more spousal abuse, and divorce more often.

~ Helen Fisher

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

Both sexes like the exercise and challenge of sports, but for men it's also a basic display behavior for impressing and winning a mate.

~ Helen Fisher