By Laura Schaefer Women have puzzled over it for years—why the heck do men do the things they do? Why do they profess their love for you one minute, then ignore you the next (say, when an Attila the Hun special turns up on TV)? Why can they not remember our birthdays? Let science explain some of these conundrums—and help you rev up your relationships! Be patient with his memory The hippocampus, where initial memories are formed, occupies a smaller percent of the male brain than the female brain. If on your first date he can't remember where you work, even though you told him all about it when you met, just remember that size matters … hippocampus size, that is. Don't take it personally. (Oh, and don't be surprised when, months down the line, he has no clue you've just changed your hair.) Don't expect him to get hints Have a crush on him? You may have to put it out there, because men aren't as skilled at women at reading subtle emotional cues. As Dr. Larry Cahill...