Candace Bushnell likes to date guys of “all different ages”. The 65-year-old author – who is best known for having written her ‘Sex and the City’ column that became the basis for the hit TV series starring Sarah Jessica Parker – explained that she likes to go out with both younger men and older men and once went out with two different men 70 years apart in the same week. Writing for The Observer, she said: “I dated a 21-year-old and a 91-year-old in the same week. I go out with guys of all different ages. I’m not having sex with these people, but I do like going to dinner with them. Younger gu…