Extended Metaphors In Robert Frost's The Road Not Taken

In “The Road Not Taken” by Robert Frost, he uses an extended metaphor towards two roads that are identical. He has gone through life with many choices, but now he has ran into a situation that has made him choose one road or another. He looks down one as far as he could “where it bent in the undergrowth” (179). He chooses his path, but then Robert Frost is able to extend the metaphor when he says “and both that morning equally lay” which tells us that both of these roads were basically the same. This like in many people's lives is a decision that is difficult because some might have something that is easier but not as rewording, where another could be harder but be very rewarding. He also says he doubts he will come back after he chooses