In the day-to-day operations, a sales manager must solve a multitude of problems. One such problem is dealing with behavior resulting from employees' frustration. Frustration-instigated behavior is different in kind from motivated or goal-directed behavior. Failure to recognize frustration-instigated behavior in a salesperson and to respond appropriately can have serious consequences. Because a salesperson often has little control over factors affecting his performance, he is particularly susceptible to frustration. This article tells how to recognize frustrated behavior and then describes six of the most common frustrating sales situations and how to deal with them.