Mount Marilyn was the name of a mountain on the moon, which has now been named Montes Secchi, which is located just inside the "shoreline" of the Sea of Tranquility.
Reading this, I get the sense that he is past the grief and anger stage of the loss of his relationship. He is reminiscing again, but this time he feels apathy rather than bitter loss as before.
Mount Marilyn was the name of a mountain on the moon, which has now been named Montes Secchi, which is located just inside the "shoreline" of the Sea of Tranquility.
Reading this, I get the sense that he is past the grief and anger stage of the loss of his relationship. He is reminiscing again, but this time he feels apathy rather than bitter loss as before.