"Learning the reasons for this difference can help men become better lovers," said a report published by the American Association of Retired Persons (AARP) - a US-based nonprofit advocacy group that helps people 50 and older improve quality of their lives.
Recent research shows that women experience libido as an urge far less compelling than that.
"A University of British Columbia survey interviewed hundreds of women who reported feeling 'erotically neutral' at the start of sex. Only when they started making love - and enjoyed it - did they warm up and feel actual desire," the report added.
According to sex therapists, men become intimate to gain sex whereas women have sex to gain intimacy.
Men should try sex based on gentle, whole-body massage that eventually includes the genitals but does not fixate on them.
"The genitals are important but so is every other part of women's bodies. Men who rush into genital sex are clueless about women," the report quoted New York sex educator Betty Dodson as saying.