Fiona should be a portrayal of many peoples lives. She is not very young. There are waves in front of her and catch up with her after. She works from opening her eyes to closing her eyes. She has no life of her own. Even if she is sick, she has to go to the hospital alone.
Emotion from intermittent breakdown to persistent anxiety, gradually unable to see the direction of life, resulting in self doubt, this time stop, rest, complete the self-healing process from I cant to I can, and then continue to move forward.
Finally, when you are tired, give yourself a vacation. After all, its really expensive to see a doctor.