отдать кому-то свое сердце
He gave her his heart, but she walked out on him. / Он отдал ей свое сердце, но она его бросила.
She's a total slut. Kenny gave his heart to her and she is just going to throw it in his face. / Она конченая шлюха. Кенни отдал ей свое сердце, а она просто перешагнет через него.