For Ron and Sheila Egger, marriage “the second time around” has been about much more than romance. It’s been a real lifesaver. Ron, 59, and Sheila, 60, of Manhattan, met in 1996 when Ron was undergoing his first kidney transplant and Sheila was being treated for her body’s rejection of a kidney/pancreas transplant she underwent in 1994. “She remembers meeting me, but I don’t remember meeting her ...