If you’re asking this question about addiction, it may be because you can see that your use of a substance or a compulsive behavior is disrupting your life. An addiction, though, isn’t the same as using a lot of drugs or alcohol or frequently indulging in an activity like sex, shopping or gambling. If you’re truly heading towards an addiction, you won’t be able to stay away from the drug or the activity or cut back, as much as you want to. You’ll experience cravings and will continue to use the substance or repeat the behavior, no matter who or what it hurts: your relationships, your career, your finances, your health. Addicts often miss important family, social and work/academic obligations and forego hobbies and other activities in order to use. The addiction becomes their single focus, crowding out the rest of life. If something interferes with your ability to use, you’ll experience psychological withdrawal symptoms, which vary depending on the addiction; these can include feeling angry, upset or anxious. For substance users, physical withdrawal symptoms can include vomiting, headaches, muscle aches, fevers, chills and/or seizures.