Boyfriend not ambitious enough?

I am currently dating this guy who is head over heels in love with me - He is very serious about me and always treats me well. I feel very lucky and deeply cherish him because my past relationships were all not so pleasant.

The problem is that we have opposite backgrounds: he comes from a lower class family and is not academically successful, while I come from a rather affluent background and am attending an Ivy League school. We met through mutual friends and despite our differences in backgrounds, we managed to start dating and none of us had any idea that we would become this serious.

My family strongly opposes this relationship because they all feel like I should date someone of similar background and from my school, because it's better for my future. I do agree with them but at the same time I feel like this guy treats me really well and I really don't want to hurt him because I do care about him deeply. What should I do?
Boyfriend not ambitious enough?
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