CRY / SOB ONE'S HEART OUT: плакать навзрыд
BE / HAVE / NEED A SHOULDER TO CRY ON: жилетка, в которую можно поплакать
BREAK SB'S HEART: разбить кому-то сердце
FOR EXAMPLE: She broke my heart. I cried my heart out, but I didn't even have a shoulder to cry on.