Final answer:
Malú and Joe likely thought the Cocos needed to take professional steps such as writing original music and performing live to be considered a real band.
Step-by-step explanation:
In the context of musical bands and their journey to becoming successful, Malú and Joe believed that for the Cocos to be considered a real band, they needed to engage in certain specific steps or actions. Typically, becoming a real band can involve things like writing original music, performing live shows, building a fanbase, recording music professionally, and developing an image or brand. While the exact thoughts of Malú and Joe are not detailed here, common expectations for budding musicians to transform their garage band into a professional act often include the aforementioned elements.