Grace loves to gossip. she spends most of the time talking about people who are having financial, relationship, or health issues and who are generally doing worse than she is. grace is engaging in comparison and probably has self-esteem.

Downward social comparison, high self-esteem

Explanation:

Downward social comparison occurs when a person creates a positive self-image in comparison to the person who is worse than we are. A study was conducted by sociologists where they analyze the student who went for a job where on the other side for the same job another person also went there for an interview. When the other person was rejected due to less qualification, the students feel due to downward social comparison, feel better and qualified.  

High self-esteem:

High self-esteem creates positive in a person. A person with high self-esteem has high confidence and an enthusiastic and positive view of life.

Thus Grace loves gossips and love to spends an hour to talk about people on their health, financial, relationship because she is on the state of downward social comparison and she has high self-esteem.