When a person has negative feelings, having a good attitude will help deal with it. If the attitude is negative it will just feed into the feelings instead of help.

By repeating the positives.

Negative feelings in attitude can include anger, resentment, cynicism, pessimism, and hostility. These emotions can lead to a negative outlook on life and interactions with others.

anger

some negative feelings and attitude are developed.these are loneliness,alienation and emptiness,mild depression and mild anxiety.