Danger to Self (DTS): (a) Behavior which, as a result of a mental disorder, constitutes a danger of inflicting serious physical harm upon oneself, including attempted suicide or the serious threat thereof, if the threat is such that, when considered in the light of its context and in light of the individual's previous acts, it is substantially supportive of an expectation that the threat will be carried out. (b) Behavior which, as a result of a mental disorder, will, without hospitalization, result in serious physical harm or serious illness to the person, except that this definition shall not include behavior which establishes only the condition of gravely disabled.