Flirting all starts with eye contact! You can tell a girl is into you if she's across the room and still making eye contact with you.

Making eye contact with adults while dressed as a clown is risky.

I'm hopeless at small talk and have a problem making eye contact.

People simply don't make eye contact anymore.

You turned your head to the side. Faced me. Your eyes never left mine, I read them with ease. You said nothing to them, yet everything to me. I nodded.
But only when no one was watching.

We look at each other with shy relief. It's the look two odd socks give when they recognise each other in the wild.