776.012  Use of force in defense of person.--A person is justified in the use of force, except deadly force, against another when and to the extent that the person reasonably believes that such conduct is necessary to defend himself or herself or another against such other's imminent use of unlawful force. However, the person is justified in the use of deadly force only if he or she reasonably believes that such force is necessary to prevent imminent death or great bodily harm to himself or herself or another or to prevent the imminent commission of a forcible felony.