Why should you use stop and praise?

Why should you use stop and praise? I talk about stop and praise as I ride Stu and train him on the road. Full version on my private Training group. Check out my website at http://www.IvysHorses.com Follow me on Twitter: http://www.twitter.com/ivyschex See my blog here: http://www.EquestrianHarmony.wordpress.com And follow me on Facebook: https://www.facebook.com/pages/Ivys-Horse-Training/113182565386378