Answer:
insecurities
Explanation:
Emotional insecurity or simply insecurity is state of uneasiness caused by impression of oneself, feeling inferior or something that threatens one's self-image or ego.
Bri might think that her husband finds his coworker more attractive or smarter. In essence she feels that her husband might find his coworker better than Bri. Bri thinks that she lacks the characteristics that her husband's coworker has, which makes Bri jealous.
