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Professional dog trainer reveals how to pick the right breed for you - and those he'd avoid entirely
Graeme Sims, 89, spent four decades training hundreds of dogs and their owners before he was forced to retire in 2020 after an overexcited Border Collie became a physical risk to him.
From a torn knee ligament to suffering hairline cracks in her ribcage, Soo detailed the struggles she faced during training.
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