<p>A Japanese man with a sweet tooth who believes in smiles has become the world's oldest male at 112 years and 344 days old, according to Guinness World Records.</p>.<p>Chitetsu Watanabe, who was born in Niigata in northern Japan in 1907, received a certificate for his accomplishment on Wednesday at a nursing home in the city.</p>.<p>The previous record holder, Masazo Nonaka, another Japanese, died last month. The oldest living person is also Japanese, Kane Tanaka, a 117-year-old woman.</p>.<p>Until about a decade ago, Watanabe used to do bonsai, the Japanese traditional art of raising small sculpted trees, and had his work exhibited.</p>.<p>These days, he loves desserts such as custards and cream puffs, Guinness said.</p>.<p>Watanabe graduated from agricultural school and then moved to Taiwan to work at Dai-Nippon Meiji Sugar on sugar cane plantation contracts.</p>.<p>He lived in Taiwan for 18 years. He married Mitsue and they had five children, Guinness said in a statement.</p>.<p>After the end of World War II, Watanabe returned to Niigata and worked for the prefectural government until retirement. He also grew fruit and vegetables on the family farm.</p>.<p>Asked about the secret to longevity, Watanabe has this advice: Don't get angry and keep smiling.</p>
<p>A Japanese man with a sweet tooth who believes in smiles has become the world's oldest male at 112 years and 344 days old, according to Guinness World Records.</p>.<p>Chitetsu Watanabe, who was born in Niigata in northern Japan in 1907, received a certificate for his accomplishment on Wednesday at a nursing home in the city.</p>.<p>The previous record holder, Masazo Nonaka, another Japanese, died last month. The oldest living person is also Japanese, Kane Tanaka, a 117-year-old woman.</p>.<p>Until about a decade ago, Watanabe used to do bonsai, the Japanese traditional art of raising small sculpted trees, and had his work exhibited.</p>.<p>These days, he loves desserts such as custards and cream puffs, Guinness said.</p>.<p>Watanabe graduated from agricultural school and then moved to Taiwan to work at Dai-Nippon Meiji Sugar on sugar cane plantation contracts.</p>.<p>He lived in Taiwan for 18 years. He married Mitsue and they had five children, Guinness said in a statement.</p>.<p>After the end of World War II, Watanabe returned to Niigata and worked for the prefectural government until retirement. He also grew fruit and vegetables on the family farm.</p>.<p>Asked about the secret to longevity, Watanabe has this advice: Don't get angry and keep smiling.</p>