The narrator reflects on a troubling emotion that has resurfaced after years of absence: jealousy. They are aware of their feelings but are troubled by the underlying reasons for this emotion, prompting them to contemplate its impact on their life. Rather than focusing on the feeling itself, they are more concerned with understanding the 'why' behind their jealousy.
This realization sparks an internal struggle as they grapple with the discomfort of such emotions. The return of jealousy serves as a reminder of vulnerability and the complexities of human relationships, highlighting a significant emotional journey in the narrative.