It's wrong to take illegal drugs.
Marvin is exercising in the park when he falls and sprains his ankle.
Marvin wants the pain to go away.
Marvin goes to the pharmacy and buys a bottle of asprin.
Marvin takes some illegal drugs from his friend to numb the pain.
Marvin's leg starts to feel better within a couple of days.
Marvin goes into shock and has to be rushed to the hospital.