Frederick Jenkins was so smitten with his friend’s sister, Mamie, that he married her 55 years ago. Now, the South Side couple, ages 80 and 79 respectively, are retired. Frederick, retired from Battelle research institute, has Parkinson’s disease. Mamie, a retired nurse, is his primary caretaker and needs help taking care of her husband’s medical and other needs.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};