Hi Skywalker,
This is where all of this ended because she may have come to a point where she just realized that she couldn’t see herself dating you over the long term.
She did tell you that you both have different life situations.
Perhaps she felt as though you weren’t at the stage in life that she would want a potential romantic partner to be at.
She may have dated you for about a month in the hopes that she will come to accept you, regardless of her doubts about where the both of you are in life.
However, after a month of dating you, she may have realized that she was just unable to come to terms with the differences.
Hence, it is unlikely that she just suddenly thought to pull the plug and end it.
There is a good chance that she was already worried that this may happen at some point if she was unable to come to terms with the differences between the both of you.