Pick up some chocolate syrup or whipped cream — or, if you're not into food play (and, friendly reminder: Use it on your body, not, uh, inside you) — or some sexy oils or lube. He'll have the opportunity to do exactly that later.RELATED: 17 Sex Games That Guarantee More Fun In Your Bedroom Take advantage of every minute you have alone with a little pre-excitement.If we find someone attractive, we point at them subconsciously with our hands, arms, feet, legs and toes.Check out the feet next time you spot a group of men with a particularly attractive women among them.It’s a combination of nervous excitement, preening (smoothing clothes or eyebrows or hair to make sure he looks OK) and autoerotic touching (more on that delicious topic later).When we look at people we're not close to, our eyes make a zig-zag motion: we look from eye to eye but also look down to include the nose and mouth.

Bonus if you send a picture of few options — you don't even need to be in them to stoke his imagination.

Another (sweeter) way he'll block is to lean his head close to yours to create your own little vacuum in a crowded room.

When men are sexually interested in someone, they start playing with circular objects.

It starts with the flirting triangle and becomes more intense as the flirting intensifies.

The more infatuated he is, the more time he'll spend looking at your mouth while you're talking. If someone likes what they see, their pupils dilate and their blink rate increases.