It's a question that has been asked since the beginning of time, or at least since sweating became a thing: do mistress feet sweat more than other feet? The answer, regrettably, is that we simply do not understand.
There have been no scientific research studies on the subject, so we can just hypothesize. Some state that it's due to the fact that girlfriend feet are usually covered up, so they don't have a possibility to air out and dry out properly. Others say that it's since girlfriend feet are normally in high heels, which limits blood flow and causes sweaty feet.
Still others state that it's merely since some individuals sweat more than others, and there's no clinical evidence to support any of these theories. For now, the response to the question stays a mystery. additional reading