I cant cope anymore :( i tried to kill myself the other day help please?

Me and my fiance just broke up and the day before he was so horrible to me..i said i was goin to kill myself he didnt care so i tried doin it and got put to hospital and once i got out of hospital had to see phyciritist etc i was wantin him to care for me as i'm cryin out for help i'm bipolar btw and 1 min were together then he mailed me a long message sayin were not together i dont understand why he played with my head again :( i have no friends anymore my mum has my son im lost what to do i'm sad i cry every day my life just seems to be fallen apart i love my ex so much but i said to him i never cuz of how much i'm hurtin and he doesnt care and i'm so lost with out him :( i just wished he came to see me at the hospital atleast :( or anything its my birthday soon and we were ment to spend it together now i'm spendin it on my own like i spend every day on my own :( i just want to die i'm so lost and confused please help me