that Iwekaogwu's performance had deteriorated. On July 18, 1996, Zmuda wrote a letter to Iwekaogwu to document "an oral warning given to you on July 8, 1996 as a result of insubordinate behavior and performance problems." The letter documented several instances when Iwekaogwu refused to provide information or was uncooperative. The events described in the letter had occurred over a one-year period.
On several occasions Zmuda told Iwekaogwu that Iwekaogwu had to leave the structural design section "because [Zmuda] considered [Iwekaogwu] a litigant and a filer of discrimination complaints." On October 8, 1996, Zmuda drew an outline of a dead man with fake blood, like a crime scene drawing, in the harbor department offices on some carpet that was about to be replaced. The drawing was three to fouris 51 cents per hour. Overtime is paid at time and one-half. For the year ending June 30, 1993, Iwekaogwu worked 58 hours of overtime.
*512 With respect to evidence concerning Iwekaogwu's emotional distress, Iwekaogwu testified that he has nightmares about his supervisors "going after [him] at night," that he is under stress, that he has been treated by a doctor with medication for high blood pressure, that his relationship with his children has changed, that his wife threatened to leave him because of his "stressed-out" condition caused by his work situation, that he has trouble sleeping and that he eats less. He worries about mortgage payments and his future ability to afford private schooling for his children. Although he was referred for psychological counseling, there was no testimony