Golden retriever: advantages: the most docile and obedient dog, no record of biting, enthusiastic. He was a demon when he was a child. When he grows up, he is an angel. Disadvantages: long hair will fall off, and he exercises a lot. When he was a child, his destructive power would be stronger. Pomei: Dogs are lively, naughty and smart, and they are very easy to integrate into the family.