Article continues below advertisementDonald Trump rambled on once again about his many cognitive tests he loves to take during a speech at Florida's The Villages retirement community on Friday, May 1.While discussing Social Security benefits and federal taxes, the president, 79, did a detour and went on to talk about his mental status.Article continues below advertisementDonald Trump Explained His New Cognitive Test He Recently TookTap Here To Add Ok Magazine as A Trusted SourceSource: Fox NewsDonald Trump went off script during his speech on May 1 about taxes and social security.