What does sister's acacia wine mean?

My sister's acacia wine expresses her deep thoughts and feelings for a person. Acacia wine is an alcoholic beverage, which is related to love and missing. "Acacia" is an emotional state expressing yearning and attachment to someone, and "Acacia wine" is a wine with this emotion as its theme. Generally speaking, my sister's acacia wine is specially brewed by my sister with acacia feelings to express my deep thoughts and feelings for someone. This may be my sister's expression to a lover, relative, friend, etc. She was entrusted with her inner feelings and thoughts.