Answer:
threat
Step-by-step explanation:
In psychology, threat is a perceived feeling that an individual has when faced with a situation, whereby they feel they do no have enough coping ability to handle the situation which seem like an obstacle.
Threat is the opposite of a challenge. When someone is faced with a situation, if he sees it as experiencing a challenge, he believes he has the ability to develop coping mechanisms to handle the situation, unlike when one perceives a threat.
From the information given about Felicity in the question above, the category of psychological stress she was experiencing is threat.