This adorable golden retriever pup is able to climb a sofa like Mount Everest, and it won't give up easily! The little doggo is like a true hero - relentless, strong, and always ready to climb to new heights. Maybe the pup learned to do this by watching Bernese mountain dogs or a St. Bernard? Well, it doesn't matter; after this kind of training, the retriever will easily be able to conquer even the highest peaks.