 Second: need the relevant emotions be eliminated completely or perhaps only moderated, and what are we to say if the relevant emotions return (perhaps unbidden, perhaps not) at some point in the future? One might, for example, hold that a forgiver must eliminate all traces of the relevant negative emotion(s). It is uncommon to find this view stated explicitly, but Haber has attributed to it to some philosophers (1991: 7). Others have claimed that what is needed is not the total and final elimination of resentment, but rather, some sort of moderation. Margaret Holmgren, for example, allows that resentment can reoccur: