Frost’s biographer Lawrance Thompson suggests that the poem’s narrator is “one who habitually wastes energy in regretting any choice made: belatedly but wistfully he sighs over the attractive alternative rejected”. Thompson also says that when introducing the poem in readings, Frost would say that the speaker was based on his friend Edward Thomas. In Frost’s words, Thomas was “a person who, whichever road he went, would be sorry he didn’t go the other”