And that’s why it doesn’t exist. But let’s back up a few steps. On March 27, 1998 the FDA approved Viagra as the first oral treatment for erection problems. It went on sale later that year, and was soon followed by Cialis and Levitra, variants of the same drug. All three are now currently in use. As my essay in Playboy back then predicted, the drug was hugely successful, misunderstood and misused, and expected to perform miracles. It hasn’t. It doesn’t make angry men sweet, doesn’t make clumsy men graceful, doesn’t make weak backs strong, and doesn’t make drunk men…