I need some songs about my ex about saying i loved him but he crushed me..... like the song rehab by rihanna?

I think the best song for that is 'Stupid Boy' by Keith Urban. Also the slightly less sad song 'Bye Bye' by Jo Dee Messina, and the awe-inspiring best break-up song ever, 'Kiss This' by Aaron Tippin. I don't know if it really fits, but it would probably get the point across.