racist beliefs and beliefs induced by self-intoxication, are prima facie unreasonable. Other beliefs related to the subjective experience of the accused may, however, be reasonable. These include any relevant military training (R v Khill), heightened awareness of patterns of cyclical violence in intimate relationships (R v Lavallée) and whether the accused has autism (R v Kagan).

Second, the act that constitutes the offence is committed to defend or protect themselves or the other person from