Don't be so sensitive,' he said, faintly chiding. 'It makes everyday commerce most trying.
"Don't be so sensitive," he gently advised, implying that being overly sensitive can make daily interactions more difficult. His tone was mild, suggesting a desire to ease the tension in the situation.
He seemed to be encouraging a more resilient attitude, perhaps feeling that sensitivity could hinder smooth exchanges or relationships. His remark reflects a common sentiment about the importance of emotional resilience in everyday dealings.