When Ladybug gets her hair chopped off by an akumatized victim, Adrien starts to grow suspicious because Marinette shows up to school the next day with the exact same haircut. ― Chat Noir/Ladybug (OR: The Haircut Reveal Fic)

Its mere hours after Eugene saved Rapunzel's life by cutting her magical hair short. Rapunzel awakens in the night and feels the need to secretly express the emotions she is feeling towards the sudden and drastic change. This is my interpretation of what Rapunzel would feel after Eugene cut her hair without warning.