What does it mean wen..???

What does it mean when your boyfriend/girlfriend that yhu have dumped before then out of nowheres asks you what would you do if i dumped you ??? Umm idk is that one of the sign meaning that they would dump you ?? ..after an hour he calls back crying on the phone saying he was sorry and that he loves me and saying I don't. Deserve that .. ? What does it take for a guys to cry on the phone it hurt so I cried ??? :( what should I do I'm so confused