I don't mean just seeing something nice and wanting to have something like that. Some people would not mind doing anything to take what belongs to another. Why do we have people like that?
Well basically it's part of the human nature , and it's seems part of logical things that can't be explained though ,
I have this link feel free to look at , to be honest it expand my perspective on understanding why , I hope you too ,
Link : https://www.livescience.com/1788-greatest-mysteries-desire.html