His condition is drug dependence. It is the tendency of the body to manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs is abruptly discontinued. Because of perceived benefits, drugs are frequently used repeatedly from which the person may not be able to get out.
Following measures can be taken to overcome this problem:
i. Education and counseling to face problems and stresses and to channelise the energy into healthy pursuits like reading, music, yoga and other extracurricular activities.
ii. Seeking help from parents to guide the person appropriately and immediately.
iii. Seeking professional and medical help to the person to get rid of the problem completely with sufficient efforts and will power (any two).
