They had decided to keep their very new relationship to themselves for the time being. Things were too fresh with the war and her relationship with Ron was on thin ice. Ronald did not take their "break up" very well at all, which was confusing to Hermione because she wasn’t aware they were actually dating in the first place. He apparently thought so, and in addition to his ire, Molly Weasley was also none too pleased. She worried that it might cause a riff between her and Ginny but her friend just gave her a knowing look with her blessing to shag any professor who might tickle her fancy.