We don’t know about you, but in our minds, Rachel (Lea Michele) and Finn (Cory Monteith) have always been a really special couple. In the beginning, they were so far apart socially, it seemed like a miracle when they not only realized they really liked each other but were able to bridge thegap between their worlds. So, when Rachel was poised to move to New York, we just hoped that they would once again be able to happily straddle the distance. After all, Finn has always known that...
Source:
http://alechamilton.com/celebrity-style/glee-season-4-did-spoiler-push-spoiler-to-break-up-with-him