Although some attempted or completed suicides come as a shock to family members and friends, many people give warnings. Signs of distress or suicidal thoughts to look for include any change in the person's usual behavior pattern, such as changes in mood, behavior, sleep, or energy. Because most suicidal people often do not speak directly about their thoughts and distress, it is important to note when things people say suggest they may be feeling hopeless, overwhelmed, trapped, or that they are a burden to others. Changes in behavior include withdrawal from usual activities, agitation, anger outbursts, irritability, drinking or using drugs more than usual, or other odd behaviors such as saying goodbyes or giving away possessions. Any mention of suicidal thoughts even in the form of a joke and certainly any suicide attempt must be taken seriously. If it is ignored, a life may be lost.