Support WBURThinking Of Retiring? Consider Your HealthPlay05:26Download AudioIna JaffeMarch 25, 2014 ShareManuel "Manny" Aguirre, 80, has been mixing cocktails at Musso and Frank Grill in Los Angeles for more than two decades. He works part time and could retire — but he doesn't want to. (Courtesy of Musso and Frank Grill)