Answer:
B. optimism
Step-by-step explanation:
Optimism is determined as an attitude that can affect an individual's physical and mental health positively. It is also responsible for increasing an individual's longevity and reducing his or her stress. However, various psychologists believed that optimism generally signifies the belief of an individual that different outcomes of experiences or events will be considered as positive.
As per the question, Lydia exemplifies optimism.