lose heart to
lose (one's) heart to (someone)
To fall in love or become smitten with someone. She lost her heart to the tall, handsome man the minute they met.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
lose (one's) heart to
To fall in love with.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.