lose one's heart

Verb

lose one's heart (third-person singular simple present loses one's heart, present participle losing one's heart, simple past and past participle lost one's heart)

1. (dated, idiomatic) To fall in love with someone; to become smitten with someone.
2. (idiomatic) To lose one's zeal or enthusiasm for something.
   • Meeting time has come and gone
     They'll lose their heart and head for home
     Try to tell us something we don't know1987 August 31, “Disturbance at the Heron House”, in Document, performed by R.E.M.