  No doubt there are cases of the two types Hare describes; but they do not seem to exhaust the field. We can grant that there is the odd  murderer, overcome by irresistible homicidal urges but horrified at  what she is doing. But surely not every case that we might be tempted to describe as one of acting contrary to one’s better judgment  involves irresistible psychic forces. Consider, for example, the  following case memorably put by J. L. Austin: