Unfortunately, this means that your crush isn't interested. Instead of dwelling on lost love, go find someone who responds positively to your affection! There are many wonderful people in the world that are looking for love.
First, find out if your boyfriend is still interested in rekindling the relationship. If so, ask if he can arrange another meeting between his parents and you. Apologize for anything...
You could start training him now by getting him accustomed to having weight on his back, basically turning him into a pack-steer. But, he won't be ready to actually ride...