I was not saying most people knowingly manipulate others. I was saying in the course of their life they give lots of attention and take it away creating this situation. Like someone is interested in a girl, they give her lots of attention. She blows them off. They stop giving her attention and move on to another girl and then the first girl likes them as a result, without them consciously making an effort to manipulate her.
And there are other factors in someone liking you, but this method does work easily. I tested it a few years back and I could get any girl I tried to like me.
I do not use it currently because of what was mentioned about it being sucessful longterm but I have not formed a solid conclusion on that. But sometimes I guestion if a more complex situation of this scenario is the reason most relationships start. Appearace of challenge, Hard to get, and the human condition of always wanting what one does not have.