Jack-Allen Walker on Instagram: "Dogs aren’t designed to just exist in our homes — they’re wired for purpose, problem-solving, and contribution. When a dog has no job, the mind looks for one… and that’s when you see reactivity, destruction, over-excitement, and anxiety. A job doesn’t mean police work or agility. It means daily responsibility that fulfils instinct. Walking in structure. Carrying a backpack. Scent work. Place commands. Impulse control around distractions. These tasks give the brai

Understanding Taylor Series for Precise Sin(x) Approximation