Step-by-step explanation:
Hmmm, spots on vivid descriptions. You're super talented at identifying and analysing qualities.
You might consider using connectives such as Also, Furthermore, In addition and so on, in place of Brian repeatedly stated.
For illustration, you could include an image of Brian.
When it comes to internal and external conflict, maybe a misunderstanding between Brian and another character e.g Mike, which leads to a feeling of hatred brewing up between them, disruptions in their social lives and so on but they later find a resolution.
Other than that, I love it, I can literally view Brian in reality. You basically brought him to life through the power of words and your imagination. A+++