Addiction to drugs is difficult for its users and the people who love and care for them. n2. When dating a person addicted to drugs, you may constantly go through a rollercoaster of emotions. It feels like you are on a ride that never seems to stop. n3. You are likely to suffer from anger, sadness, stress, and frustration at this time. n4. Many drugs also lead to emotional instability. Due to this, your partner may experience their addiction's various highs and lows. n5. As a result, they often behave erratically and unpredictably. It can be pretty confusing. You may also feel peer pressure from them to participate in taking drugs, which can be highly problematic.