Politics have a way of being more unpredictable than one might think. As for intelligence, it'd have to be someone you could tolerate in close quarters long enough to go through the mechanics of reproduction. Given your abysmal ability to get along with people you think aren't as smart as you, I doubt you'd be willing to sleep with someone who was somehow actually significantly stupider.

If it's rumored that you have a relationship of some sort with, oh, some acrobat girl, then people will have a very easy time catching you flirting with her, whether you actually are or not.