They still think they’ve got you under their thumb at this point, and probably assume that you’ll come running back in a heartbeat if asked.
Since they made the decision to break up with you, and the relationship came to a halt despite your desire to stay together, you were made completely powerless.
Unfortunately, the process described above is usually more difficult and more drawn-out than the way I described it.
You may run into unexpected complications — maybe your ex is dating someone new, maybe they show a lack of interest when you re-establish contact, and so forth — that will leave you confused and wondering what to do next.
You probably would have been willing to walk 100 miles in a blizzard if it meant your ex would change their mind about the breakup, right?
In other words, if your ex wanted you back, all they had to do was ask. But now that the breakup is real and your ex hasn’t changed their mind (yet!