Judith and Natalie work for the same employer and often have lunch together to talk about their current romances, problems with their families, and apartment headaches. Most Saturday afternoons they play tennis together. Which relationship stage do they seem to be in?

Intensifying

Explanation: Judith and Nathaniel are in the intensifying stage of their relationship, Intensifying stage is a stage of finding mutual affection. In this stage the relationship becomes less formal as the individuals become more common to each other, they begin to discuss their level of commitment to the relationship with some sense of ownership towards one another. Caring about the appearance of one another in the public eyes.

answer; did not understand that the act was wrong because she/he was suffering from a mental illness;