Some Idioms in relation to love.

Broken heart

Almost as soon

as he met her, he fell head over heels in love with her. They had six wonderful months together, and then she left him. It broke his heart, and now a year later he's only just beginning to pick up the pieces.

head over heels

- suddenly and very much in love

break someone's heart

- make someone very sad

pick up the pieces

- rebuild something that was damaged