Most heterosexual relationship breakups are initiated by the woman, and I know most women don't breakup with a man to be alone. By the time they let you go they've already found your replacement.
So with that being said, you shouldn't be happy if you hear from an ex girlfriend because you're only hearing from them because the dude she left you for wasn't what she'd thought he'd be so now she's turning to your nice ass to make her feel better about what the a$$hole did to her.
But this is the coli so I know you desperate mufukkas throwing all that sense out the window once you see that text from an ex