The author and her father at a cooking class in Kathmandu. (Image credit: Alexandra Svokos) In his toast at my older sister's wedding, my dad shared that his father-in-law had told him to wait to retire until all his daughters were married. You can imagine my surprise when, two years after my own wedding, my father was still making his long commute to work. It's understandable why he'd be slow to retire . My dad has been working since he was a teenager at a Brooklyn diner. His corporate career began when he was waiting tables after college: A regular gave him an internship. Later, when a mentor suggested he go to business school, he chose to take classes on nights and weekends rather than hit pause on his career for full-time grad school. From just $107.88 $24.99 for Kiplinger Personal Finance Become a smarter, better informed investor.…