With the ability to masterfully utilize instruments, ISTPs observe life and comprehend events with a quiet, reticent, and disciplined curiosity. They are typically quiet and objectively observe life without over-asserting themselves. They don't readily immerse themselves in situations or relationships unless they pertain to work. Often hesitant to expend energy, they may take pleasure in organizing factual data or demonstrating interest in objective principles, causal relationships, or machinery, depending on the individual. They have a knack for handling tools and machines and a talent for organizing facts. They thrive in fields such as law, economics, marketing, sales, and statistics. They can quickly understand a situation but often find it challenging to express their emotions and feelings towards others.