My breakup in my mid-20's was pretty tough...first serious relationship, etc. The thing that made getting dumped worse was that the main reason was because of my status whether directly or indirectly. I also couldn't really fight back fair or give the old "I'll show her...some day she's going to see how successful I've become and she'll be sorry in her empty little life" because well, I was an illegal and it turned out she was the one who became a success...
What made me feel better? being able to smile again. It hurt a lot at first, hurt less later, and soon I rarely thought about her until we'd talk and then I'd be all hurt again. After a year we never talked anymore so that was the best solution. Also, meeting new people (as long as you don't go overboard and do stuff you'll regret) helps.
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Late 40's Dreamer (Holy Fucking shit I'm almost 50 and still dealing with this), aged out of original DACA and didn't have a chance to apply for extended DACA after Republicans killed it on the vine.