Final answer:
Steven now knows that having a brother can be both challenging and rewarding. There are multiple references in the given context to Steven's brother and the experiences associated with it.
Step-by-step explanation:
Steven now knows that having a brother can be both challenging and rewarding. In the given context, there are multiple references to Steven having a brother and the experiences associated with it.
For example, one character mentions that Steven's brother is working at Howard's. Another character admits to lying about being Steven's sister. Additionally, Steven himself implies that he has known for about three months that he has a brother.
These references suggest that Steven now understands the complexities and implications of having a brother, such as family relationships, responsibilities, and the potential impact on his life.