These are the most frequently used words in this book.
access
adaptive
affairs
age
although
among
ancestral
another
attractive
behavior
benefits
between
casual
cause
children
commitment
conflict
context
contrast
costs
couples
cues
cultures
desire
differences
different
during
effective
even
evidence
evolutionary
evolved
example
experience
female
found
friends
function
get
greater
having
high
however
human
husbands
infidelity
investment
jealousy
less
likely
love
male
man
marriage
married
mate
mating
may
mechanisms
men
occurs
often
older
orgasm
others
own
partners
people
percent
physical
potential
preferences
problem
provide
psychological
rape
rather
relationship
reproductive
resources
rivals
sex
sexual
show
signals
social
sometimes
status
strategies
study
tactics
theory
time
two
value
wife
wives
woman
women
years