Why do girls get 'horse crazy' so much more than boys?

I’m one of these horse crazy girls. I’ve always loved them and I spent my high school years in lessons, I sponsored a horse my junior year, and I even did a couple of competitions. I got the magazine Horse Illustrated and was simply just nuts for horses. I still am, actually. :)

I’m curious about why girls seem to be more susceptible to ‘horse fever’ than boys do. I mean, I know there are loads of boys that love horses and horseback riding, but I’m not aware of it being anywhere near the same kind of phenomenon. I mean, all you have to do is compare these Google searches: girls vs. boys and you’ll see what I mean. Even the ‘boys’ search pulls up ’horse crazy girls’!

So, why do you think this is?