He is Introverted, Sensing, Thinking, and Perceiving, which means they are energized by time alone, detail oriented, logical and objective, and flexible. ISTPs work well with their hands, have excellent technical and mechanical skills, and are remarkably good at fixing things and solving practical problems. They can be very reserved, sometimes coming across as insensitive or impatient. ISTPs love to be active at work and play, especially with an element of risk or competition involved