When your girlfriend (now ex) says this, what does it mean?

'Maybe this isn't going to work. Maybe we should tale some time to figure things out. Maybe I shouldn't have gotten into a relationship with you soon after my last one'


I took it to mean she was breaking up with me. And she hasn't had time for me for like two weeks now and had been showing disinterest in me. She had also said before that some guys had been showing interest I'm her, but she could've, but just chose not to leave me. So with all that, I told her ok, its over. And broke up with her. And then at first she said she "didn't mean we should've broken up". But then just a few minutes after, said " there is nothing she can do since I've told her its over so goodbye"

Was I right to end things?

(We dated for 3-4 months and she's my first ever girlfriend)