The article discusses the unique and humorous relationship between a big sister and her little brother, Baby Luke. The title conveys the idea that having a big sister like her is the best option, as she is entertaining and loving towards her younger sibling. The article likely contains anecdotes or examples of their interactions that showcase the close bond between them. It emphasizes the importance and value of having a supportive and fun big sister in one's life. The presence of Baby Luke's big sister brings joy and laughter to their family dynamic, making their relationship special and unique. Ultimately, the article highlights the positive impact that a caring and funny big sister can have on her younger sibling.