Mirroring. This is what separates a good flirt from a great flirt: nothing will bond you more effectively than mirroring someone's behaviour. This simply means you do whatever it is they do. If they lean forward to tell you something intimate, you lean in to meet them. If they sit back to take a sip of their drink and look you in the eye, you pause then follow suit.
The theory behind mirroring is that we like people who are like us. If someone is doing what we're doing, we feel they're on the same level as us and in the same mood as we are.
There are two no-go areas with this one, though: firstly, only mirror positive body language; second, capture the spirit rather than mimicking them. As a general rule, wait around 50 seconds before following their gestures.
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The eyebrow flash. When we first see someone we're attracted to, our eyebrows rise and fall. If they are similarly attracted, they raise their eyebrows in return. Never noticed? It's not surprising since the whole thing lasts only about a fifth of a second!
We're not consciously aware of doing it, but it's a gesture that is duplicated by every culture on Earth. In fact, some experts claim it's the most instantly recognised non-verbal sign of greeting used by humans.
The trick is to watch for it when you meet someone you fancy. Better still, tell them you're interested on a subconscious level by prolonging your eyebrow flash for up to one second - deliberately raise them while catching their eye for full impact.
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Pointing. Sneak a peek at what their feet and hands are doing - we tend to point toward the person we're interested in. If we find someone attractive, we'll often point at them subconsciously with our hands arms, feet, legs, toes.
Again, it's an unconscious indicator to make our intentions known. Unconsciously, this is often picked up by the other person, without them really knowing why.
So if you've got your eye on someone in the corner, point your body in their direction - even if you don't make eye contact, they may take the hint.
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Blinking. If someone likes what they see, their pupil size increases and so does their blink rate. If you want to up the odds in your favour, try increasing the blink rate of the person you're talking to, by blinking more yourself. If the person likes you, they'll unconsciously try to match your blink rate to keep in sync with you, which in turn, makes you both feel more attracted to each other!