“She needs to be hot. She needs to be hot and nice. She needs to be hot and nice and smart. Maybe it’s a little more complicated than that…” In a nutshell, there is the progression of a man’s thoughts on what a girlfriend must be from the moment he starts to like girls in his teens to, well, a little bit later. But, essentially, as men move from one woman to the next, they tend to keep an eye out that the next one will be better than the previous in the following ways.