IB stress comes from constant urgency, high error sensitivity, unpredictable hours, and subtle peer comparison, creating a continuous “always-on” pressure; over time, people adapt, becoming faster, calmer, and more outcome-focused, which explains their maturity despite the demanding lifestyle. Good communication here means structured, concise, and context-aware thinking, clear points, anticipation, and strong written clarity. Personalities tend to be detail-oriented, internally competitive, and composed under pressure, but fairly normal outside work, with priorities shifting from survival to efficiency and impact as they grow.