It is the curse of The Alicorns. Their bodies and minds are locked in time and thus does not age beyond a certain point.



The greatest burden of becoming immortal is not the responsibility, but to see the apples of life rotting away, flying off like a balloon that we wish that didn't let go. We can only cherish the gems that is out friends, the times we flew like butterflies, living in our own world as the clouds become out playground and than we eventually reach the stars and felt like gods. Everything around us would become what we wanted it to be.



Then the fires of reality calls for us as the shield is needed for all that we care for is not forever and we must cherish and protect it. Sometimes it changes for such is the way of life, the old must make way for the new. We cannot simply put our backs to it and say "No!" because in the end we lose so much that we loved and we will never be able to get it back.