<human>: Background: All three of us are students at a certain tech university in Boston where I study a less computational science (biochem) and my boyfriend and best friend both study more math-y subjects (comp sci and pure math, respectively). We are all juniors in college. During freshman year, my boyfriend was pretty smitten by my best friend based on their common interests and the fact that she is pretty and an all-around cool person. They had become best friends during the first month of freshman year, until he told her how he felt and she rejected him. Their relationship now is still a bit awkward.

During March of freshman year, he and I began hanging out a lot and we slowly realized that we both had feelings for each other, so we started dating. At the time, he was still hurt by my best friend's rejection, and they didn't really talk anymore. He and I began our relationship, had a couple communication issues, but stayed strong and are pretty happy together. We've now been together for almost 2 years.

However, whenever I mention my best friend around him (which is often considering we're close friends) he always mentions her intense major (a sensitive topic for me because many people at my uni don't consider my major to be very rigorous) and at times tends to subtly insult her. I think these comments arise from him being insecure about her rejection, but I'm not sure.

My question is: should I bring this up with him, and if so, how? Or, how should I keep from feeling 'not smart enough' or not studying an interesting enough subject when we talk about her?

Can you give me a shortened version of the text?
<bot>: Best friend rejected current boyfriend's advances two years ago, and even though I'm now dating him and am happy, I still feel insecure when he comments on her area of study.