AClark
Loving the herd life
Usually, I find that they just get lazy on the kid, or plain stubborn, knowing that a kid can't "make" them do anything. I like ponies well enough and all, they're adorable, but they can be bratty little snots too. Kids get frustrated with it as well. Sometimes, they need a refresher from the back that going forward, even for the little one who can't "make" you, needs to happen. Really depends on the horse/ponies mentality though. I've seen some that are more than happy to plod along for a kid, and others that jerk the reins out of their little hands and eat grass because it's what suits the pony. Whereas a small child doesn't have the strength to reach down for the reins and pull their head back up - and the pony knows they're being mischievous!