We invest too much in a relationship and it is true that when it gets over, it is often hard to move on and even if we have, some glimpses, incidents or moments continue to be with us, sometimes for a small period or may be forever. In such an instance, it is always not possible to shut out the ex from life forever. The question is how to maintain an equation with ex or is it necessary at all? There is also another factor to take into account and that is how has the relationship ended? Was the parting amicable or bitter? What was the relationship like? If you have an ex with a violent behaviour, then it is best to avoid him or her. If your past relationship was full of bitter moments and by being friends with...