21.   Virtuous behavior is its own reward.

22.   His behavior is ethically indefensible.

23.   Their behavior was not moral.

24.   Such behavior is impermissible under the new guidelines.

25.   I see now that her behavior was all part of an elaborate plan.

26.   Her behavior was very mysterious.

27.   His behavior is without justification.

28.   His behavior was unprofessional and insubordinate.

29.   My behavior was petty and stupid.