So fiancé gets it, so let's see where that goes. Mitsuki is in a very unstable state dealing with people that are in an extremely stable relationship. She expects the magic that she's been seeing for years, but that's not how Tsuzuki and her relationships work. I think what is hurting Mitsuki the most is how for her love she will have to sacrifice and still not get exactly what she hopes for while Tsuzuki will continue her life as though nothing happened. That drastic difference in experience hurts more than anyone can know.