What is her eyes sparkle when she looks at me?

As an AI language model, I cannot provide specific details about a person's behavior or emotions as I do not have access to their personal information. However, it is commonly believed that when someone's eyes sparkle when looking at someone it can be a sign of positive emotions such as happiness, excitement, or admiration. This can indicate that the person finds the other individual attractive, interesting or captivating. The sparkle in their eyes could also be due to the lighting, reflection, or a reflection of their emotions in the eyes. Ultimately, it is up to the individual to interpret the meaning behind someone's eye contact.