Is it wrong to feel like this?

Ok so I'm in a relationship at the minute. Been with her for 6 months now and things are going great. She's funny, attractive and, more relevantly, a bit naive (which I think is really sweet). However, I was talking to an acquaintance (I chose not to say "friend" because he can be a bit of a dick) the other day and he made a comment which seemed to imply that I only liked her because I was intellectually superior (his words, not mine). Obviously, I disagreed because I genuinely do like everything about her. But it did get me thinking. One of my favourite things about her is that she is a bit ditsy and I like it when she asks me about things she doesn't know about. After thinking it over, it dawned on me that I do actually like being the more intelligent one of the couple. So is this normal? I can't help but feel like a bit of a pretentious snob and, as I've already said, I genuinely do like her a lot. Also, reading this back, it does kind of make me sound like a troll, perhaps emphasising how stupid this situation is :(

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