You had been compelled by Klaus to accept Marcel's invitation to babysit Davina at that festival, fearing that some witch would approach her. Davina was upset, she hadn't wanted company and on top of that you were compelled to tolerate her.

"God, you're insufferable." Davina complained when you mentioned something about her violinist friend, although the truth was that she didn't dislike you, but what bothered her was that you had been compelled to agree to accompany her.