Insecure about myself as I am very average?

My partner and I have recently started college. We are in different colleges, studying different subjects but yeah in same city. My partner is, tbh a workaholic, and works a lot. He can't give me a lot of time for that reason and it's understandable on my end. But yes, he always tries. So he made an app and then sent me a video where he and a few of his classmates explain the workings of it, asking what I think of the app. He is honestly in a far better and premier college than I am, and seeing his female classmates in the video I felt insecure. They are like beauty with brains, while I am average from every aspect. My looks are really average, I'm an introvert and I won't mind saying I'm really not much clever. I remember one day he was complaining about how much work he has, and I had said that having a lot of work is better than having no work, and he had agreed saying that he can see that's the case with me. I had got angry at it but he laughed it away and made me get back to my work. I don't know but how can I get over my insecurity? What do I do about him? Please help. Will he love me?
Insecure about myself as I am very average?
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