Hi all, I'm almost positive this comes up frequently but I feel like I need some sort of confirmation from other math majors who have gone through undergraduate and then graduate programs. First and foremost, I am having trouble confirming if I'm really cut out to be a math major. I'm currently attending a decent university in California as a math major. My first quarter there, I got a 4.0 while taking 3 math courses (Advanced calculus aka intro to real analysis, number theory, and modern linear algebra). My second quarter, my grades dropped a bit and I got a B+ in Real Analysis part 1 and an A- in combinatorics. This quarter, I'm not sure what my grades will be but it might be a bit lower. I took Real Analysis part 2 and Topology. Also, I've been partaking in an REU except that I'm the only one working on the project while my faculty mentor dictates to me what he wants me to focus on. I know that these grades are not bad but I'm feeling like I'm slowing down in my ability to understand upper division mathematics on the level required to get competitive grades in my classes. I'm very interested in math and spend a lot of my time reading books outside of class. However, I just feel like sometimes I don't really have what it takes to go on to a good graduate school and conduct original research on my way to obtaining a Phd. I see others in my class whom seem to innately understand many problems while I struggle with my confidence on a weekly basis. I am just wondering if any other math majors went through this but ultimately went on to higher education in spite of their confidence issues. Thank you for your time.