Business Insider is probably the last site you’d think to go to for dating advice (I swear, I read it for the business articles!), but every now and then, they do post little gems of dating and relationship wisdom.

Here’s a short video explaining how to flirt properly, as backed by science. Some of the concepts they go over are, in my opinion, somewhat intuitive if you have any amount of social savvy. But if you’re curious to know what scientific research says about flirting, the video is worth the two minutes out of your life.

If nothing else, don’t you want to know what a “copulatory gaze” entails?