Our experience with our trainer Zach and Sit Happens was awesome! Zach started with our mastiff pup Smoky when he was about 4 months old and now at 6 months old, Smoky follows an array of commands and does very well on walks. Zach always met Smoky where he was and addressed all our concerns every session. He also responded to any questions we had in between sessions and kept us at ease and on track with Smoky. Definitely worth it and we are confident we made the right decision choosing sit happens!