The meaning behind poetry

Even though she was currently working, Yeon-Ah still noticed all this. She even caught several passersby turning around and entering the cafe after laying eyes on Seo-Jun's image through the window. 

At this point, she was far from being surprised. Hadn't she already known what kind of person Kim Seo-Jun was? 

Nevertheless, what she didn't expect was for her own chest to tighten at the sight. Despite having told herself not to mind it, not to pay attention to any of it, both her mind and heart were yelling with the same voice. And there was no denying it now. She was hurt by all the attention Seo-Jun got. Not because she didn't think he deserved it, but because she wanted to be the only one to see him like that. 

'Aren't I selfish right now? Yeon-Ah, you have really gone crazy, being jealous of a bunch of strangers, over something that isn't even yours to begin with.'