So your child is head over heels. You thought you had time before something like this happened. You figure you can hold off the infatuation until he or she hits puberty, when the distractions of movies, music, and fashion kick in. On top of that, you know nothing about horses. Every time the subject comes up, you have a steady stream of quotes that rapid-fire out of your mouth. “We don’t need another mouth to feed.” “We can’t afford it.” “This is just a phase.” While the firs