ISTJs are responsible organizers, driven to create and enforce order within systems and institutions. They are neat and orderly, inside and out, and tend to have a procedure for everything they do.

• Highly organized and systematic
• Dependable and responsible
• Strong attention to detail
• Practical and logical approach

• Can be inflexible or resistant to change
• May struggle with emotional expression
• Tendency to be overly critical

ISTJs are loyal, committed partners who value stability and tradition. They show love through practical actions and appreciate partners who are dependable and share their values.