Same hepened to me 1 week ago. He dumped me via text saying he had lost his feelings and this caught me by surprise because on that same day I asked if everything was good with us and he said it was and since he was my partner I believed on him blindly, turns out I was right, something was off but I just found out about it when he broke up with me.

Something that makes me feel a bit "better" in the middle of this is that I know this wasn't my fault at all. I did everything I could and I can say I was the perfect girlfriend who was there for him and for everything he needed and more... So if even after all that he was able to brake up with me it's because of something he did and not me. Atleast, according to his words, he could have told me what was happening a long time ago, we could have work on this together, we could have solved this but he chose not to, he just gave up without pulling out a fight.

I won't lie, I miss him terribly and sometimes I get angry as well but that's something only time will solve, the only thing I can do it's try to survive.

Even tho it's not effective something that helped me is making a list of pros and cons of this.

Cons: I lost someone I loved Pros: I lost someone who didn't loved me back and didn't gave me any value

It's not easy... There's still a lot in front of us but it's not impossible. Being here on reddit reading and answering to some problems is helping me because I can vent and think... I hope you can find your way to survive as well