I feel helpless..?

after recovering frm a broken relationship after 2 years, i got involved with another guy, who promised to be the one.. evrything was good.. all promises kept.. i never expected theer wud b any problem.. but it broke up...again.. just bcoz v r not sure of our future.. but no one in a relationship is.. it depends on how much u love each otherto make it work...he loved me so much.. bt i dont know y this happnd again wit me.. n he left me midway.... its difficult for me to go thru this emotional trauma again..cant take it enmore... every breath is hard to take...every single moment i wish i get killed...i cant commit suicide cos my family wud b torn apart.. n its getting more n more hard for me with each ping day.. i feel helpless n hopless..y does it have to happen that u put in so much in a relationship n still it has to turn out this way everytime...i even feel to scared to own nething now...wat if it will leav me again..i feel dead..i feel lost..