How is it that women remember the intricate details of quarrels that men insist never took place? What happens when she can’t find the way, and he refuses to ask for directions? Why is it always like this? Is there really a ‘masculine brain’ and a ‘feminine brain’? In this lecture, we will try to understand some of the differences between the brains of men and of women in the context of romantic relationships. We will also explore how these differences complicate our relationships and make them a lot more interesting.