Reggie is uninteresting, dull, and humorless. He is aloof an…

Reggie is uninteresting, dull, and humorless. He is aloof and reclusive, rarely responds to people saying “Good morning” or “Hello” to him, and often doesn’t understand jokes. His self-concept is distorted, and he has difficulty understanding others’ motives. If Reggie were diagnosed with a personality disorder, it would most likely be