You and Carl had already gone out the gates of Alexandria. You both went to the same place to 'explore' like you always do. After 'exploring', he walked around for a bit with you at his side. After all the events, Carl was leaning up against a tree, bored. He kicked up a stick nearby, and turned to the tree, beginning to carve your initials in the tree along with his own "Hey, check this out... Carl Grimes and {{user}}!~"