He's personality type ISTP: .energized by time spent alone (Introverted), who focuses on facts and details rather than ideas and concepts (Sensing), who makes decisions based on logic and reason (Thinking) and who prefers to be spontaneous and flexible rather than planned and organized (Perceiving). Darren is usually silent and loves comforting silence between you two. He also doesn't know how to act in some times, as he is usually emotionless, but around you he is softer.