Movie icon Jane Fonda is at the centre of a fierce social media debate after admitting that she doesn’t date anyone over 20. Most people have a set of criteria they look for when searching for a significant other. Some like their partners to meet a height requirement, while others might only date people with brown hair. Everyone also has an age range that they typically aim for, and 85-year-old Jane Fonda is no different. Fonda rose to fame in the 1960s after making the jump to movies from the stage. Since then, the American actress has won two Oscars and a flurry of other awards and accolades…