Mention some signs of someone using drugs??

Moody, anxious, depressed - Emotional,
hypersensitive, overreacting - Easily
offended by mild criticism - Easy to get
angry for no apparent reason - Values,
beliefs and ideas change - No matter for
the feelings of others - Hostile -
Unbelievable, easy to confide. - Do not
hesitate to beat people or talk harshly to
parents and other family members -
forgetfulness, memory loss, apathy - slow
response - Indifferent to cleanliness, health,
clothing - Appearance shabby and ragged -
Missing sense of responsibility - Difficult to
focus - Emotions up and down - When
asked, his attitude is defensive and hateful
- Aggressive, which is characterized by
frequent fights, brawls, drunkenness,
involved car accidents (bumping into
people or silent objects such as fences of
others)