Humans are driven by emotions more than anything else. When it comes to love, the feelings are stronger than ever. When a relationship is over, what remains are memories whether good or bad. The fact remains that you end up spending a lot of time contemplating the pros and cons of the relationship that once existed. In the age of Facebook, having connections to your ex even after break up is not unnatural. But how should one act when his or her ex is online? Read below to find out.