Jealousy
Scholars have said that if one dreams of being jealous, it may indicate that he is a diligent and careful person. They also mentioned that fatness in a dream signifies an increase in wealth and goodness.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.