I was very worried about my ability to control my very large, St Bernard/Golden Retriever mix puppy who had anxiety problems and was very leash reactive. I GOOGLED in home dog training and got CANINE DIMENSIONS. Maryanne Wood spent over 4 hours with me on her first visit. I learned so much about my relationship with my dog. I got fantastic results, using her advice, right from the very first day. I highly recommend this system for every dog owner.