Answer: Personality
Explanation:
They both are exploring each other's personality. Personality is usually defined as the set of behaviors, cognition and emotional patterns that evolve from different factors such as biological and environmental. There is no set or agree upon the definition of personality. In most theories of personality, the focus is on motivation and psychological interaction with the environment. Raymond Cattell in Trait-based personality theories defines personality as the traits predicting a person's behavior.