Lena's Emotional State at the Family Reunion

In the following excerpt from a contemporary short story, a character named Lena attends a family reunion. Despite the festive atmosphere, she feels a sense of detachment from her relatives, observing their laughter and camaraderie from a distance. As she navigates through conversations about school and accomplishments, she struggles with the unspoken expectations placed upon her. Her thoughts drift to a formative experience from her past where she felt pressured to conform to her family's ideals, ultimately leading her to make a choice that diverges from the path they envisioned for her.

What inference can be drawn about Lena's emotional state during the family reunion?