St. Peter did not put himself first. He allowed fear to override his love. In that moment, Peter discovered that he was not as bold and courageous as he perhaps thought himself to be.
As her former family and I found the broken pieces of glass, piece by piece, we knew that all was not lost. The shards of glass, with help from the Almighty, could be resurrected.
Now, imagine, if you will, that you were given one final opportunity and chance to make amends from the astral realm. The people who you hurt cannot see you, hear you, touch you or even fathom the possibility that you are there.