From a New York Times guest essay by Melissa Febos headlined “How I Learned the Art of Seduction”:

Recently, a friend of mine who is newly divorced and dating for the first time asked me to help her work on her flirtation skills.

“First, you have to get the gaze right,” I told her. “Not stalker-heavy, but enough so they notice.”

“Like this?” She glowered at me, and I tried to stifle a laugh.

“More like this,” I said, demonstrating.