It could mean that your cat is trying to play or they are marking you as their own. I have a hub about them head butting you all the time which seems like it would be something that would be close to what your talking about. However, from the description that you have when my cat does that it is usually because they want to play.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.