One day, Lily, Mae, Samford and Griffin Armitage will be old enough to understand the impact their simultaneous arrivals have had on Sherri and Paul Armitage's lives. But on Monday afternoon, the month-old quadruplets spent much of the afternoon sleeping or nursing from bottles in their Richmond Hill home as their parents talked about the births of their first children, who came into the world Nov. 28 at Memorial Health University Medical Center in Savannah.