 He became increasingly frustrated on this voyage and perhaps began to suffer from a stomach ailment; it has been speculated that this led to irrational behaviour towards his crew, such as forcing them to eat walrus meat, which they had pronounced inedible.Cook returned to Hawaii in 1779.After sailing around the archipelago for some eight weeks, he made landfall at Kealakekua Bay on Hawai'i Island, largest island in the Hawaiian Archipelago.