(Pictures are used for representation purpose only) You must have come across many guys who have one common complaint every three months. 'Man, I have been ditched by X.' Sometimes, you must have wondered how these guys manage to get thrown out of relationships so fast. The answer is very simple. Although they might be talented, reasonably good-looking and in decent jobs – in fact, they might even have a great sense of humour which is what most girls seek – they make some basic mistakes while being with their girlfriends.