The Graveyard walk

One day, two girls were walking beside a graveyard, they saw an old man who was walking along as well they walked up to him and said can we walk with you because we are scared walking alone beside the graveyard, the man replied "that is how i use to be scared when i was alive but now i fear no more" the girls did not wait for further clarification and i cant tell u their speed limit, come and see marathon.