Few things have inspired the arts like passion between a symbol of youth and an aging person dealing with mortality. Of course, that was before things got creepy. Nowadays, an older man looking to recapture his youth is more likely to end up on television in an episode of “To Catch A Predator.” Older women teaching young men about true love tend to look all crazy-eyed in their mug shots. Reality remains a drag. There’s still a proud cinematic legacy of May/December romances, and we’re celebrating this May Day with a look at some favorites–even if they’d be True Crime stories nowadays….