In this Off Leash and Unfiltered consult, Kati Peppe—owner of Diamond K9 Dog Training in Biddeford, Maine—talks with a heartbroken owner whose young Icelandic Sheepdog is barking nonstop, chewing furniture, jumping and nipping at grandkids, slipping collars on walks, and fighting the crate. Kati unpacks the working-breed mismatch, explains why “exercise” isn’t the fix, and lays out a realistic path: structure (crate/place/leash), clear teaching, and meaningful consequences—plus when board & train makes sense, and how to weigh rehoming in extreme