For years, Guéguen has been researching the science of heterosexual courtship; he and his colleagues have published multiple papers on what makes a woman more likely to agree to go out with a man.
As it turns out, it's not just about how the guy looks - environmental factors may play a huge role. As in, gentlemen will probably want to pose their request on a sunny day, but not when carrying a gym bag.
Below, we've rounded up some of Guéguen's most intriguing insights.
Keep in mind that you should always take study findings with a grain of salt, especially when they come from a single researcher. There's no telling whether all of these results will apply to you and your romantic interactions.
But taken together, these findings do suggest that there are ways for men to boost their appeal in the eyes of women - without putting in much effort.