Why dolphins have good connection with humans

Why dolphins have good connections with humans? Long long ago in the anchin island of Hawaii live an handsome boy named Taniwha. Taniwha had a secret. He had a good connection with a dolphins. One day while Taniwha and a dolphin were swimming they were swimming we're the sharks lived. While they were passing the sharks, one shark woke up and tried to attack Taniwha for his prey. But the dolphin managed to whack the shark in the head. The shark was angry and ripped the dolphin’s tail off and disappeared with it! The dolphin sacrificed his tail for Taniwha’s life. Tangaroa is the God of the sea. He saw what happened and was proud of the dolphin. He banished the shark and gave the dolphin another tail. since that day dolphins have good connection with humans.