[adrianhoward]

I'd say my partner is smarter than I am (in many ways anyway). She's managed to put up with me for... gosh... nearly eighteen years now. So I'd count that as a win :-)

Personally I love being around people who are smarter than I am in one area or another. You never make progress in life if you don't challenge yourself. K challenges me all the time. It's a good thing.

Why would it be a problem?

(In fact have some general advice - not relationship advice. If you are "used to be the smartest guys around" - then change your location. You are statistically unlikely to be the smartest person on the planet. If you're not hanging around with people you find as smart or smarter on one dimension or another then that may have more to do with where you feel comfortable. You don't get better by staying somewhere where you're already on top.)