Receiving a B+ in Calculus 1 at a top math school does not indicate a lack of potential as a math major. Many participants emphasize that performance in introductory courses does not define future success in mathematics, especially as more advanced proof-based classes approach. It's crucial to reflect on study habits and identify areas for improvement rather than attributing the grade solely to the difficulty of the final exam. The discussion highlights the importance of perseverance and a genuine interest in mathematics, suggesting that enjoyment of the subject can lead to success in future courses. Participants note that grades are not the only measure of capability, and many successful mathematicians have faced challenges in their academic journeys. Additionally, the conversation touches on the broader applications of mathematics in fields like statistics, physics, and engineering, encouraging a more expansive view of what it means to engage with mathematics. Overall, the consensus is to continue pursuing a math major if there is a passion for the subject, while also addressing any academic challenges proactively.