break somebody's heart

I should say no, or one day he will break my heart.

People who turn up in the middle of the night and try to break a girl's heart a second time.

I thought if anything you'd be the one to break his heart.

These are words I've never heard from her and they break my heart.

The sound of these words seemed to break her very heart.

She was not going to let him break her heart.

Those were enough to break her heart as it was.

And you know that some day she's going to break his heart.

A man could break his heart over it, and almost had!

He was going to break her heart and she knew it.