The length of time in which it takes to meet up with the person that you’ve hit if off with on an online dating app really depends on how the interaction has been going so far and what kind of relationship you are actually looking for or hope to truly experience.
If you are really hitting it off well, your conversations may progress rather quickly.
As long as you are both being consistent in communicating, you may learn a lot about each other in a relatively short period of time.
She may have wanted those details in an attempt to gauge what kind of guy you are. To her, this was no casual meet up.
She came with the intent to learn about your character. Asking you to tell her why any and all of your relationships ended and wanting details was her way to figure out your character.