Which statement BEST reflects the principle of assortative mating?

Which statement BEST reflects the principle of assortative mating?
 
  a. Opposites attract
  b. Love the one you're with
  c. Birds of a feather flock together
  d. You can't teach an old dog new tricks

Question 2

________, as conceptualized by competence-environmental press theory, refers to the upper limit of a person's ability to function in several different domains.
 
  a. Wisdom
  b. Competence
   c. Expertise
  d. Identity

Question 3

Research has found that the likelihood of divorce is highest for couples who make the decision to get married when they are at the height of
 
  a. commitment.
   b. infatuation.
  c. intimacy.
  d. cohabitation.