We're given very little guidance on how to choose our partners and tend to leave it to that mysterious force we know as 'instinct'. However, it truly pays to be a little more rational in this area and work out how our instincts operate and why they push us towards some people and away from others.

Knowing how emotionally mature someone is can be the most important thing to know about them; but this knowledge may take (painful) years to acquire. This is why we've devised a very quick and very reliable test that can - in a few minutes - help us to ascertain our own and other people's level of emotional maturity. It all has to do with how one responds to vulnerability.