When you just met a person, you form the first impression in a matter of seconds. Is it enough to make a judgement based on first sight? But wait a minute, we don’t just see the person, we also feel something, yet not necessarily realise it. With some people you may have that instant ‘click’ that makes you feel like you have something in common or you may simply be drawn to their personality. And here is the thing: there is always a good reason for that.