Till then Mels was deeply in love with that man and whoever he was Mels was ready to help him in getting his memory back first and the rest of the things come later.
Eric Dove narrates how a fallen angel was living like a human being on the earth because he lost his memory in his clash with the undead. Then as his memory started to come back the things became clearer for all of us. Stopping the demons, however, remained a big problem till the end of the tale.