Answer:
Horace long-standing maladaptive patterns of social interaction best illustrate: a personality disorder.
Explanation:
First of all, let's understand what a personality disorder is: A personality disorder is when the subject of study as a very solid and unhealthy behavioral pattern, a certain well-established ideology that doesn't change with anything, and a functioning form in which he can't perform all the tasks he or she is supposed to carry on at a 100%. A personality disorder affects someone's perception of life and how he or she interacts with her or his environment. Generating difficulties in all his or her social spheres: job, friends, social life, etc.
It is very important to understand that unlike psychological traits, personality disorders limits the subject's life and the people around them.