Both pairings involve a woman who is born into royalty and a man who is a criminal 또는 outlaw.
Both couples involve a hero and a redeemed villain.
Both couples are 초 chances at 사랑 for all characters involved. Emma's first 사랑 was Neal Cassidy while Killian previously loved Milah. Regina previously loved Daniel while Robin was married to Marian.
Both pairings were confirmed as True 사랑 의해 means other than a True 사랑 Kiss. Regina was led to Robin using pixie dust, while Emma and Killian passed the Underworld's test to access the ambrosia and also reunited using a pixie flower.