As I spend my time observing that alien ritual which is standard human mating behavior, one of the major attractants for many women appears to be "confidence."
I'm beginning to suspect this is wired in - and I think is the sad result of the conflation of "competence" and "confidence." At least if one glances at the situation from a sociobiological viewpoint, a competent mate is to be desired - and the shallow might imagine that confidence is a good indicator.
And, up to a fairly low level, it is. The individual that cowers from every little aspect of their life is not likely to do better under stress.
But no individual can actually handle everything life might throw at them. Those that act like they can come in two flavors: Those too stupid to realize what might come their way, and those that are simply fronting.
So, if, male or female, extreme competence is a turn-on? You might want to make a conscious decision as to which of the two you'd generally prefer: Honest-but-dumb, or Smart-but-dishonest. Not that those are the only two possibilities, but they're the best you're gonna get.