change of heart

noun

1. a reversal of one's feelings, intentions, opinions, etc..

   At first Mother said we couldn't go, but she had a change of heart and let us.

Word History and Origins

Origin of change of heart¹

First recorded in 1820–30

Idioms and Phrases

Altered feelings or attitude, as in Paul didn't like his new job, but a raise prompted a change of heart and he became quite enthusiastic. [Early 1800s]

Example Sentences

Then he had a change of heart when the football team was struggling.

From Los Angeles Times

She can trace the change of heart back to 2003, when she performed at 46664, an Aids benefit concert organised in South Africa by Nelson Mandela.

From BBC

Or feasibly there could be a change of heart at TfL and they could look at a 32-hour week to assuage the RMT.

From BBC

Even if you’re skeptical about the true motivations, Florida’s sudden change of heart does reflect a long-standing philosophical divide between state and city officials on street design.

From Slate

Newcastle United's top brass met Isak last Monday, ironically before they met Liverpool at St James' Park, in an attempt to provoke a change of heart from the Swede, who has staged a one-man rebellion to move to Anfield, but it has fallen on deaf ears and the longest transfer story of the summer looks to finally be heading to a conclusion.

From BBC