According to a New Brunswick Study by Byers and Heinlein

According to a New Brunswick study by Byers and Heinlein (1989) ,in long-term heterosexual relationships the gender that is most likely to respond positively to the initiation of sex is the

A) woman
B) man
C) neither (they are equal)
D) woman,but only if she is 10-15 years older than her male partner