Completely ignore them.
There’s an unfair reality that the more you like someone, the worse you become at flirting. Oh, you’ve had a crush on that guy for ages? Watch in horror as you completely forget how the English language operates.
In case you haven't heard: Kendall Jenner is a model now. And as a model, she does modelly things like strut down red carpets, suck in her cheeks, party with other models, and flirt with pop stars. Kendall got to do all four at last...