Discord, during his original reign, met a mare, a young spunky mare, one of the original Apple Family members.
Granny Smith, once known as 'Annie' Smith, due to the effects of the rare green coat, stayed young looking for a longer time, like 950 years, only aging recently, and, due to Equestria's weird nature, ponies don't die of old age, she's also married to someone she hasn't seen in over 1000 years...