Thirty-two-year-old John and Katherine were happily married for five years until Katherine was killed in an automobile accident. Since he lost his wife, John has refused to date or maintain his friendships and has thrown all his energy into his job. John was in Erikson's stage of , which was disrupted by the loss of Katherine.

Intimacy vs. Isolation

Explanation:            

Intimacy vs. Isolation: In psychology, the term "intimacy vs. isolation" is described as one of the different stages in the psychosocial theory which was proposed by Erik Erikson, and is considered as the sixth stage in his theory that generally occurs between nineteen to forty years i.e the young adulthood period of an individual's life.

During this stage, an individual is generally involved in sharing himself or herself intimately with someone else. The conflict that tends to occur at this stage is forming a loving or intimate relationship with another person.

In the question above, the given statement signifies the intimacy vs. isolation stage.

the answer to your question is,

old stone age.

-mabel < 3