It suddenly changed. I used to speak every day, and suddenly I stopped speaking

It suddenly changed. I used to speak every day, and suddenly I stopped speaking. He was always by my side and suddenly he was no longer by my side. The person who came to report something suddenly became quiet... The conversation that I thought was warm has also become dry. The story that I thought was romantic turned out to be a sad ending. I didn't ask why the sudden change, but I knew the main answer II I knew that someone other than me entered your mind... I already knew