Write the next sentence in the following story.

How to spot signs of unresolved trauma
Notice addiction.
Some people turn to drugs, alcohol, sex, food, shopping, or gambling to push negative feelings away or to numb painful feelings. Realize that drugs are not the only addictive substance, although they are the most popular.

Select from: 1). While these substances are addictive, they are not dangerous. If you experience any withdrawal symptoms, don't hesitate to call your doctor or find a qualified therapist. 2). Overuse of an addictive substance is often a sign of suicide, a personality disorder, drug use, emotional distress, diet or exercise, or something else. If this is the case, also look for sex problems, depression, suicidal behavior, or behavior patterns that can't be treated. 3). If you notice people relapse, talk to a support system and see if you can figure out who's the most addicted. Many addictions are quickly reversed with repeated or recurring relapses. 4). Addiction is often an attempt to deal with unresolved trauma or to push it down. If you find yourself using addiction as a way to escape negative feelings, there may be some unresolved trauma to look at.. The answer should be
4).