The authors recommend that all people should masturbate on a regular basis as a way to promote and maintain good sexual health and awareness

Runaways leave home voluntarily for at least ________ night, without parental permission

Fill in the blank with the appropriate word.

David Gutmann refers to the magnification of gender role differences after the birth of the first child as _______

a. the parental imperative b. a species-specific imperative c. a legacy from our distant ancestors d. sexual determinism