Final answer:
A psychologist would most likely describe Olivia as having high self-esteem, as she openly shares her feelings and is not worried about others judging her.
Step-by-step explanation:
Olivia has high self-esteem. This term describes a person's overall sense of self-worth or personal value. People with high self-esteem are often more willing to share their feelings openly, as they are generally unafraid of judgment from others. This can be contrasted with low self-esteem, where individuals might fear the disapproval of their peers and could be more reserved in expressing their emotions. Olivia's confidence in sharing both her successes and her problems signifies a healthy level of self-respect and belief in her own value.