Individuals with lower numbers gradually work their


Individuals with “lower numbers” gradually work their way down the line.

Partners tend to find a match within a point of themselves.

Physical attractiveness is NOT the only factor in finding a sexual partner.
°
Voice

Pitch of voice is related to the number of children fathered.

Men tend to choose women with higher pitched voices (and vice versa).
o Women with higher estrogen levels have higher pitched voices.

Higher pitched voices during ovulation

Higher levels of attractiveness
o
Men with higher testosterone levels have lower pitched voices.

Hormone levels correlate to the development of other “attractive” physical features (i.e. facial
symmetry, etc.).
°
Differences between what individuals want in a partner is evident in the how they present
themselves.

Ex: Men with assets (i.e. cars, clothes, money, etc.)

Women are more “choosey” about their partners due to the higher level of risk involved.
o
Search for clues of stability, wealth, health, etc. that are indicative of the male’s ability to
care for her [and her child].

While men tend to prioritize physical attractiveness, women rank social status.
°
Keeping the partner you choose


Social/financial status often trumps physical attractiveness in relationships.
°
Smell

Human pheromones heighten sexual senses.
o
Men: Androstenone

Typically repelling to women unless they are in their fertile window; However,
mixed with salty sweat/bacteria on the skin, it triggers a favorable response.
o MHC

No two people are the same.

Our immune system determines what bacteria can thrive on our skin.

In order for one’s odor to be attractive:

1. MHC of partner must be substantially different from one’s own.

Woman must be within 1-2 days of ovulation.

Steers people clear of their relatives; Incest avoidance

Relatives share similar immune system components.